연구 논문 리스트 문서 원본 보기

== 2010 ==

<ol>

<li><b>Thermodynamic properties of five-layered HgBa2Ca4Cu5O12+y from equilibrium magnetization </b>
<br>Kwon YT, Park MS, Kim JD, Choi KY, Jung MH, Iyo A, Tokiwa K, Kim YC, Lee SI 
<br>CURRENT APPLIED PHYSICS 10 (4), 1033-1036 (2010/07)
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<li><b>Spectroscopic Evidence for Competing Order-Induced Pseudogap Phenomena and Unconventional Low-Energy Excitations in High-Tc Cuprate Superconductors</b>
<br>N.-C. Yeh, A. D. Beyer, M. L. Teague, S.-P. Lee, S. Tajima, S. I. Lee
<br> Journal of Superconductivity and Novel Magnetism 23 (5), 757 (2010/07).
<br> This paper received the Scientific & Technological Accomplishment Papers Award at the 7th International Conference on "New Theories, Discoveries and Applications of Superconductors and Related Materials" in Beijing, China, May 13 -- 16 (2009)
<br>[http://dx.doi.org/10.1007/s10948-010-0748-2 SpringerLink]
[http://arxiv.org/abs/0906.1776 arXiv:0906.1776]
[http://www.its.caltech.edu/~yehgroup/documents/New3SC-7_Yeh.pdf PDF]
<br><br>

<li><b>Strong competition between the delta l and delta T-c flux pinning mechanisms in MgB2 doped with carbon containing compounds</b>
<br>Ghorbani, S. R., Wang, Xiao-Lin, Hossain, M. S. A., Yao, Q. W., Dou, S. X., Lee, Sung-Ik, Chung, K. C.,Kim, Y. K. 
<br>JOURNAL OF APPLIED PHYSICS 107 (11), 113921 (2010/06/01)
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<li><b>Magnetic properties of gapless semiconductors: PbPdO<sub>2</sub> and PbPd<sub>0.9</sub>Co<sub>0.1O2</sub></b>
<br> Lee KJ, Choo SM, Yoon JB, Song KM , Saiga Y, You CY)2, Hur N, Lee SI, Takabatake T, Jung MH
<br>JOURNAL OF APPLIED PHYSICS 107 (9), 09C306 (2010/05/01)
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<li><b>Two-site Behavior of Chlorine Atoms in Ca2−xNaxCuO2Cl2 Single Crystals</b>
<br>Kyung-Hee Kim, H.-G. Lee, Sung-Ik Lee, and S.-W. Han
<br>J Supercond Nov Magn 23 (3), 391-395 (2010/04)
<br>[http://dx.doi.org/10.1007/s10948-009-0589-z SpringerLlink]
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<li><b> Microscopic Study of Dendritic Avalanches in MgB2 Thin Films of Various Widths </b>
<br>Lee JY, Lee HS, Lee HJ, Choi EM, Kang WN , Lee SI
<br>JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 79 (4), 044712 (2010/04)
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<li><b>Suppression of flux avalanches in superconducting films by electromagnetic braking</b>
<br>Colauto F (Colauto, F.)1, Choi E (Choi, E.)2, Lee JY (Lee, J. Y.)2, Lee SI (Lee, S. I.)3,4, Patino EJ (Patino, E. J.)5,6, Blamire MG (Blamire, M. G.)6, Johansen TH (Johansen, T. H.)7, Ortiz WA (Ortiz, W. A.
<br>APPLIED PHYSICS LETTERS 96 (9), 092512 (2010/03/01)
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<li><b>Coexistence of the delta l and delta T-c flux pinning mechanisms in nano-Si-doped MgB<sub>2</sub></b>
<br>Ghorbani SR (Ghorbani, S. R.)1,2, Wang XL (Wang, X. L.)1, Hossain MSA (Hossain, M. S. A.)1, Dou SX (Dou, S. X.)1, Lee SI (Lee, Sung-Ik)
<br>SUPERCONDUCTOR SCIENCE & TECHNOLOGY 23 (2), 025019 (2010/02)
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<li><b>Magnetic instability of MgB2 thin film triggered by the various sweeping rates of an applied magnetic field</b>
<br>Lee JY (Lee, Jae-Yeap), Lee HJ (Lee, Hu-Jong), Jung MH (Jung, Myung-Hwa), Lee SI (Lee, Sung-Ik), Choi EM (Choi, Eun-Mi), Kang WN (Kang, W. N.)
<br>JOURNAL OF APPLIED PHYSICS 107 (1), 013902 (2010/01/01)
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</ol>

== 2009 ==

<ol>

<li><b>Coexistence of the δl and δTc flux pinning mechanisms in nano-Si-doped MgB2</b>
<br>S R Ghorbani, X L Wang, M S A Hossain, S X Dou and Sung-Ik Lee
<br>SUPERCONDUCTOR SCIENCE & TECHNOLOGY 23, 025019 (2009/12)
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<li><b>Magnetic phase coupled to an electric memory state in d0 oxide ZrO2 films</b>
<br>Y. Jo, I. R. Hwang, B. H. Park, K. J. Lee, S. I. Lee, M. H. Jung
<br>APPLIED PHYSICS LETTERS 95, 263504 (2009/12/30)
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<li><b>The fluctuation effect of BaFe1.8Co0.2As2 single crystals from reversible magnetization</b>
<br>Changho Choi1, Soo Hyun Kim1, Ki-Young Choi1, Myung-Hwa Jung1, Sung-Ik Lee1, X FWang2, X H Chen2 and XLWang
<br>SUPERCONDUCTOR SCIENCE & TECHNOLOGY 22 (10), 105016 (2009/10)
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<li><b>Observation of magnetization step at order-disorder transition in MgB2 single crystals</b>
<br>Nojima T (Nojima, T.)1, Takahashi K (Takahashi, K.), Chotoku M (Chotoku, M.), Ochiai A (Ochiai, A.)2, Aoki H (Aoki, H.)2, Lee HG (Lee, H. -G.)3, Lee SI (Lee, S. -I)
<br>PHYSICA C 469 (15-20), 1055-1058 (2009/08)
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<li><b>Anomalous flux jump and supercooling phenomenon around the order-disorder transition in MgB2 single crystals</b>
<br>Chotoku M (Chotoku, M.), Nojima T (Nojima, T.)1, Ochiai A (Ochiai, A.)2, Aoki H (Aoki, H.)2, Lee HG (Lee, H. -G.)3, Lee SI (Lee, S-I.)
<br>PHYSICA C 469 (15-20), 1132-1135 (2009/08)
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<li><b>Scaling laws between population and facility densities</b>
<br>Um J (Um, Jaegon)2, Son SW (Son, Seung-Woo)1, Lee SI (Lee, Sung-Ik)3, Jeong H (Jeong, Hawoong)1, Kim BJ (Kim, Beom Jun)4,5
<br>PNAS (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA) 106 (34), 14236-14240 (2009/08/25)
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<li><b>In situ fabrication of cobalt-doped SrFe2As2 thin films by using pulsed laser deposition with excimer laser</b>
<br>Choi EM (Choi, Eun-Mi)1,2, Jung SG (Jung, Soon-Gil)1,2, Lee NH (Lee, Nam Hoon)1,2, Kwon YS (Kwon, Young-Seung)1,2, Kang WN (Kang, Won Nam)1,2, Kim DH (Kim, Dong Ho)3, Jung MH (Jung, Myung-Hwa)4, Lee SI (Lee, Sung-Ik)4, Sun LL (Sun, Liling)
<br>APPLIED PHYSICS LETTERS    Volume: 95 (6), 062507  (2009/08/10)
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<li><b>Collapse of the Peak Effect due to ac-Induced Flux Creep in an Isotropic Vortex System of MgCNi3 Single Crystal</b> 
<br>Dong-Jin Jang, Hyun-Sook Lee, H-G. Lee, M-H. Cho, and Sung-Ik Lee 
<br> Phys. Rev. Letters 103(4), 047003 (2009/7/24)  <br><br>

<li><b>Two-band effect on the temperature and the angle dependences of the ratio of the surface to the bulk superconductivity in MgB2</b> 
<br>D-J Jang, H-S Lee, B Kang, H-G Lee, M-H Cho, and S-I Lee
<br> New Journal of Physics 11, 073028 (2009/7) <br><br>

<li><b>Concurrent magnetic and metal-insulator transitions in Eu1-xSmxB6 single crystals</b>
<BR>S. Yeo, J. E. Bunder, Hsiu-Hau Lin, Myung-Hwa Jung, Sung-Ik Lee	
<BR>APPLIED PHYSICS LETTERS  94(4), 042509  (2009/1/26)<br><br>

<li><b>Crystal structure and electronic and thermal properties of TbFeAsO0.85</b>
<br>N. Kaurav, Y. T. Chung, Y. K. Kuo, R. S. Liu, T. S. Chan, J. M. Chen, J.-F. Lee, H.-S. Sheu, X. L. Wang, S. X. Dou, S. I. Lee, Y. G. Shi, A. A. Belik, K. Yamaura,  E. Takayama-Muromachi
<br>APPLIED PHYSICS LETTERS  94, 192507 (2009/5/11)<br><br>

<li><b>s-wave superconductivity probed by measuring magnetic penetration depth and lower critical field of MgCNi3 single crystals</b>
<br>P. Diener, P. Rodiere, T. Klein,1, C. Marcenat, J. Kacmarcik, Z. Pribulova, D. J. Jang, H. S. Lee, H. G. Lee, and S. I. Lee
<br>Phys. Rev. B 79(22), 220508 (2009/6/18)<br><br>

<li><b>Growth and characterization of 144  ��m thick barium ferrite single crystalline film for microwave device application</b>
<BR>Jeevan Jalli, Yang-Ki Hong, Seok Bae, Jae-Jin Lee, Gavin S. Abo, Andrew Lyly, Sung-Hoon Gee, Hwachol Lee, Tim Mewes, Jeong-Chul Sur, Sung-Ik Lee
<BR>JOURNAL OF APPLIED PHYSICS  105, 07A511-1  (2009/2/18) <br><br>

<li><b>A comparative study of the dendritic avalanche in MgB2 thin films synthesized by pulsed laser deposition and hybrid physical chemical vapor deposition methods</b>
<br>Jae-Yeap Lee, Hu-Jung Lee, Sung-Ik Lee, C. G. Zhuang, Y. Z. Wang, Q. R. Feng, Z. Z. Gan, X. X. Xi, Eun-Mi Choi, Jae-Hun Cho, and Young-Hun Jo
<br>JOURNAL OF APPLIED PHYSICS 105, 083904 (2009/4/17)<br><br>

<li><b>The pressure effect on magnetism in CeTe1.82</b>
<BR>Myung-Hwa Jung, Sung-Ik Lee
<BR>JOURNAL OF PHYSICS-CONDENSED MATTER  21(2), 026004 (2009/1/14) <br><br>

<li><b>Unconventional superconductivity of NdFeAsO0.82F0.18 indicated by the low temperature dependence of the lower critical field H-c1</b>
<br>X. L. Wang, S. X. Dou, Zhi-An Ren, Wei Yi, Zheng-Cai Li, Zhong-Xian Zhao, Sung-Ik Lee	
<BR>JOURNAL OF PHYSICS-CONDENSED MATTER 21, 205701 (2009/5/15)<br><br>

<li><b>Comparative study of the pressure effects on the magnetic penetration depth in electron- and hole-doped cuprate superconductors</b>
<br>DDi Castro1, R Khasanov, A Shengelaya, K Conder, D-J Jang, M-S Park, S-I Lee, H Keller
<br>JOURNAL OF PHYSICS-CONDENSED MATTER  21, 275701 (2009/7/8)<br><br>

<li><b>Point-contact Andreev reflection tunneling spectroscopic (PCARTS) study of the superconducting gap structure in LuNi2B2C</b>
<BR>Xin Lu, W. K. Park, Ki-Young Choi, Sung-Ik Lee, Sunmog Yeo, Sergey L, Budko, Paul C. Canfield and L. H. Greene
<BR>JOURNAL OF PHYSICS: Conference Series 150, 052143 (2009)<br><br>

<li><b>Giant Magnetic Moment of Oxygen-free CuNi Nanoparticles</b>
<BR>Myung-Hwa Jung, Sung-Ik Lee		
<BR>JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   9(5), 3201-3203  (2009/5) <br><br>

</ol>

== 2008 ==

<ol>

<li><b>Relationship between surface superconductivity, bulk superconductivity and the peak effect in MgB2 single crystals</b>
<BR>HS Lee, DJ Jang, BW Kang, HG  Lee, IJ Lee, Y Jo, MH  Jung, MH Cho, SI Lee
<BR>NEW JOURNAL OF PHYSICS, 10, 063003 (2008/6/3) <BR><BR>

<li><b>Evidence of strong anisotropic behavior in the five-layered superconductor HgBa2Ca4Cu5O12+y from equilibrium magnetization measurements</b> 
<br>Min-Seok Park, Jung-Dae Kim, Kyung-Hee Kim, Yong-Tae Kwon, Young Cheol Kim, Akira Iyo, Kazuyasu Tokiwa, and Sung-Ik Lee 
<br> Phys. Rev. B 77(2), 024519 (2008/1/1)  <br><br>

<li><b>Enhancement of ferromagnetism by decreasing tolerance factor in electron-doped manganites</b>
<br>T. Qian, P. Tong, Bongju Kim, Sung-Ik Lee, Namsoo Shin, S. Park, and Bog G. Kim
<br> Phys. Rev. B 77(9), 094423 (2008/3/1)  <br><br>

<li><b>Griffiths phase and thermomagnetic irreversibility behavior in slightly electron-doped manganites Sm1-xCaxMnO3 (0.80<=x<=0.92)</b>
<br>P. Tong, Bongju Kim, Daeyoung Kwon, T. Qian, Sung-Ik Lee, S-W. Cheong, and Bog G. Kim
<br> Phys. Rev. B 77(18), 184432 (2008/5/1)  <br><br>

<li><b>Nodeless superconductivity in the infinite-layer electron-doped cuprate superconductor Sr0.9La0.1CuO2</b>
<br>R. Khasanov, A. Shengelaya, A. Maisuradze, D. Di Castro, I. M. Savic, S. Weyeneth, M. S. Park, D. J. Jang, S.-I. Lee, and H. Keller
<br> Phys. Rev. B 77(18), 184512 (2008/5/1)  <br><br>

<li><b>Magnetization and Cu nuclear magnetic resonance study of Sr0.9La0.1Cu1-xNixO2</b>
<br>Williams, G. V. M., Richter, S., Haase J, Jung, C. U., Lee, Hye-Gyong, Lee, Sung-Ik
<br> Phys. Rev. B 78(10), 104522 (2008/9/1)  <br><br>

<li><b>Flux-pinning mechanism in silicone-oil-doped MgB2: Evidence for charge-carrier mean free path fluctuation pinning</b>
<br>S. R. Ghorbani, X. L. Wang, S. X. Dou, Sung-Ik Lee, and N. S. A. Hossain
<br> Phys. Rev. B 78(18), 184502 (2008/11/1)  <br><br>

<li><b>Anisotropy of the Upper Critical Fields in Al-Substituted MgB2 Single Crystals </b>
<br>Byeongwon Kang, Heon-Jung Kim, Hyun-Sook Lee and Sung-Ik Lee
<br> Journal of the Korean Physical Society, 52(5), 1617 (2008/5) <br><br>

<li><b>Growth of MgB2 thin films by using a novel laser-assisted chemical vapor deposition technique</b>
<BR>SG Jung, NH Lee, WK Seong, WN Kang, EM Choi, SI Lee
<BR> SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 21(8), 085017 (2008/8)<BR><BR>

<li><b>Microscopic flux density of small and dendritic flux jumps in MgB2 thin films</b>
<BR> Jae-Yeap Lee, Eun-Mi Choi, Hyun-Sook Lee, Hu-Jong Lee, Sung-Ik Lee, A. A. F. Olsen, D. V. Shantsev, T. H. Johansen
<BR> SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 21(10), 105021 (2008/10)<BR><BR>

<li><b>Angular dependences of the motion of the anisotropic flux line lattice and the peak effect in MgB2</b>
<BR> D-J Jang, H-S Lee, B.W Kang, H-G Lee, M-H Cho, S-I Lee
<BR> SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 21(12), 125004 (2008/12)<BR><BR>

<li><b>Doping in MgB2 superconductors using a high-pressure furnace </b>
<br>B.W. Lee, I. Choi, C.U. Jung, S.I. Lee
<br> Journal Of Magnetism And Magnetic Materials, 320(14), E484-E486 (2008/7) <br><br>

<li><b>Torque magnetometry studies of new low temperature metamagnetic states in ErNi2B2C </b>
<br>D. G. Nauglea, B. I. Belevtsevb, K. D. D. Rathnayaka, S.-I. Lee and S. M. Yeo
<br> Journal Of Applied Physics, 103(7), 07B718 (2008/4/1) <br><br>

<li><b>Torque magnetometry: An effective tool for study of metamagnetic transitions in quaternary borocarbides RNi2B2C </b>
<br>K.D.D. Rathnayakaa, B.I. Belevtseva, D.G. Naugle, P.C. Canfield, S.-I. Lee, J.-D. Kim
<br> Physica B-Condensed Matter, 403(5-9), 1050-1052 (2008/4/1) <br><br>

<li><b>Point-contact Andreev reflection spectroscopic study of the superconducting gap structure in LuNi2B2C </b>
<br>Xin Lua, W.K. Park, Jung-Dae Kim, Sunmog Yeo, Sung-Ik Leeb, L.H. Greene
<br> Physica B-Condensed Matter, 403(5-9), 1098-1100 (2008/4/1) <br><br>

<li><b>Anomalous coherence peak in the microwave conductivity of MgB2 thin film at 7.2 GHz</b>
<BR>B.B. Jin, T. Dahm, Sung-IK Lee, N. Klein
<BR>Physica C, 468(11-12), 861-864 (2008/6/15)<br><br>

<li><b>Finite gap behaviour in the superconductivity of the 'infinite layer' n-doped high-T-c superconductor Sr0.9La0.1CuO2 </b>
<br>J S White, E M Forgan, M Laver1, P S Hafliger, R Khasanov, R Cubitt, C D Dewhurst, M-S Park, D-J Jang, H-G Lee and S-I Lee
<br> JOURNAL OF PHYSICS-CONDENSED MATTER, 20(10), 104237 (2008/3/12) <br><br>

<li><b>Evidence of conventional superconductivity in single-crystalline MgCNi3</b>
<BR>HS Lee, DJ  Jang, HG Lee, W Kang, MH Cho, SI  Lee
<BR>JOURNAL OF PHYSICS-CONDENSED MATTER, 20(25), 255222 (2008/6/25)<BR><BR>

<li><b>Point-contact spectroscopy of superconducting MgCNi3 single crystals  </b>
<br>Z. Pribulova, P. Szabo, J. Kacmarcik, P. Samuely, D.-J. Jang, H.G. Lee, H.S. Lee and S.-I. Lee
<br> ACTA PHYSICA POLONICA A, 113(1), 215-218 (2008/1) <br><br>

<li><b>AC micro calorimetry of superconducting MgCNi3 single crystals   </b>
<br>J. Kacmarcik, Z. Pribulova, P. Samuely, C. Marcenat, T. Klein, D.-J. Jang, H.-G. Lee, H.-S. Lee and S.-I. Lee
<br> ACTA PHYSICA POLONICA A, 113(1), 363-366 (2008/1) <br><br>

<li><b>Temperature Dependence of the Flux Jump Upper Threshold Field in MgB2 Thin Films </b>
<br>Jae-Yeap Lee, Eun-Mi Choi, Hyun-Sook Lee, Moo-Hyun Cho, A. A. F. Olsen, T. H. Johansen, Y. S. Oh, Kee Hoon Kim, Young-Hee Han, T. H. Sung, and sung-Ik Lee	
<br> Journal of the Physical society of Japan 77(10), 104717 (2008/10) <br><br>

<li><b>Magnetic and Microwave Properties of Sm-Doped SrFe12O19 Single Crystals </b>
<br>Jeevan Jalli, Yang-Ki Hong, Sung-Hoon Gee, Seok Bae, Jaejin Lee, J.C. Sur, Gavin S. Abo, Andrew Lyle, Sung-Ik Lee, Hwachol Lee, and Tim Mewes	
<br> IEEE Transactions on Magnetics.  44(11), 2978   (2008/11) <br><br>

</ol>

== 2007 ==

<ol>

<li><b>Growth of Single Crystals of MgCNi3 </b>
<br> Hyun-Sook Lee, Dong-Jin Jang, Hye-Gyong Lee, Sung-Ik Lee, Soon-Mi Choi, and Cheol-Jin Kim
<br> Advanced Materials 19(14), 1807-1809(2007/7) <br><br>

<li><b>Anisotropy of the Sommerfeld Coefficient in Magnesium Diboride Single Crystals </b>
<br> Z. Pribulova, T. Klein, J. Marcus, C. Marcenat, F. Levy, M. S. Park, H. G. Lee, B.W. Kang, S. I. Lee, S. Tajima, and S. Lee
<br> Phys. Rev. Lett 98(13), 137001 (2007/3/30)  <br><br>

<li><b>Observation of Competing Order in a High-Tc Superconductor Using Femtosecond Optical Pulses </b>
<br> Elbert E. M. Chia, Jian-Xin Zhu, D. Talbayev, R. D. Averitt, and A. J. Taylor, Kyu-Hwan Oh, In-Sun Jo, and S.-I. Lee
<br> Phys. Rev. Lett 99(14), 147008 (2007/10/5) <br><br>

<li><b>Temperature dependence of the persistent critical current and instabilities in MgB2 thin films </b>
<br> A. I. Mansour, M. Egilmez, I. Fan, K. H. Chow, and J. Jung, E. M. Choi, H. S. Lee, and S. I. Lee, H. Darhmaoui 
<br> Applied Physics Letters 90(16), 162511 (2007/4/16) <br><br>

<li><b>Width-dependent upper threshold field for flux noise in MgB2 strips</b>
<br> Eun-Mi Choi, Hyun-Sook Lee, Jae Yeap Lee, Sung-Ik Lee, A. A. F. Olsen, V. V. Yurchenko, D. V. Shantsev, T. H. Johansen, Hyeong-Jin Kim and Moo-Hyun Cho
<br> Applied Physics Letters 91(4), 042507 (2007/7/23)   <br><br>

<li><b>Avalanches injecting flux into the central hole of a superconducting MgB2 ring </b>
<br>Age Andreas Olsen, Tom Henning Johansen, Daniel Shantsev, Eun-Mi Choi, Hyun-Sook Lee, Hyun Jung Kim, and Sung-Ik Lee 
<br> Phys. Rev. B 76(2), 024510 (2007/7/1)  <br><br>

<li><b>Macroscopic evidence for quantum criticality and field-induced quantum fluctuations in cuprate superconductors </b>
<br>A. D. Beyer, V. S. Zapf, H. Yang, F. Fabris, M. S. Park, K. H. Kim, S.-I. Lee, and N.-C. Yeh 
<br> Phys. Rev. B 76(14), 140506(R) (2007/10/1)   <br><br>

<li><b>Field and angular dependence of the Sommerfeld coefficient in Al-doped MgB2 single crystals</b>
<br>Z. Pribulova, T. Klein, J. Marcus, C. Marcenat, M. S. Park, H.-S. Lee, H.-G. Lee, and S.-I. Lee 
<br> Phys. Rev. B 76(18), 180502(R) (2007/11/1) <br><br>

<li><b>Quantum phase transition and finite-size scaling of the one-dimensional Ising model </b>
<br> Um J, Lee SI, Kim BJ 
<br> Journal of The Korean Physical Society 50(1), 285-289 (2007/1)  <br><br>

<li><b>Growth of Superconducting MgB2 Thin Films by Using Hybrid Physical-Chemical Vapor Deposition </b>
<br> W. K. Seong, J. Y. Huh, Soon-Gil Jung and W. N. Kang, H. S. Lee, E. M. Choi and Sung-Ik Lee 
<br> Journal of The Korean Physical Society 51(1), 174-177 (2007/7) <br><br>

<li><b>Hall conductivity and the vortex phase in MgB2 thin films</b>
<br> Soon-Gil Jung, WK Seong, Ji Young Huh, TG Lee, WN Kang, Eun-Mi Choi, Heon-Jung Kim and Sung-Ik Lee
<br> Supercond Sci Technol 20, 129-132 (2007/3)  <br><br>

<li><b>Mapping flux avalanches in MgB2 films - equivalence between magneto-optical imaging and magnetic measurements </b>
<br> F Colauto, EMChoi, J Y Lee, S I Lee, V V Yurchenko, T H Johansen andW A Ortiz
<br> Supercond Sci Technol 20, L48-L50 (2007/8)  <br><br>

<li><b>Effect of unreacted Mg on the pinning properties of MgB2</b>
<br> C.U. Jung, S.-I. Lee
<br> Journal of Magnetism and Magnetic Materials 310, 501-503 (2007/3)   <br><br>

<li><b>Evolution of the two-gap nature revealed in the upper critical field of Mg1-xAlxB2</b>
<br>Heon-Jung Kim, Hyun-Sook Lee, Min-Seok Park, H.-G. Lee, Younghun Jo, Myung-Hwa Jung, Sung-Ik Lee and Byeongwon Kang
<br>Journal of Magnetism and Magnetic Materials 310(2), e147-e148 (2007/3)  <br><br>

<li><b>Analysis of Hc2(��, T) for Mg(B1-xCx)2 single crystals by using the dirty two-gap model</b>
<br>Min-Seok Park, Hyun-Sook Lee, Jung-Dae Kim, Heon-Jung Kim, Myung-Hwa Jung, Younghun Jo and Sung-Ik Lee
<br>J. Phys.: Condens. Matter 19, 242201(7pp) (2007/6/20)  <br><br>

<li><b>Local electronic structure of Mn dopants in ZnO probed by resonant inelastic x-ray scattering </b>
<br>G S Chang, E Z Kurmaev, SW Jung, H-J Kim, G-C Yi, S-I Lee, M V Yablonskikh, T M Pedersen, A Moewes and L D Finkelstein
<br>J. Phys.: Condens. Matter 19, 276210 (8pp) 2007/6/20)& <br><br>

<li><b>Peak effect and vortex dynamics in superconducting MgB2 single crystals</b>
<br>Hyun-Sook Lee, Dong-Jin Jang, Heon-Jung Kim, Byeongwon Kang, Sung-Ik Lee
<br>Physica C 456, 153-159 (2007/6/1)   <br><br>

<li><b>Synthesis of Ca1-xNaxCuO2Cl2 single crystals by using a high-pressure technique</b>
<br>Kyung-Hee Kim, H.-G. Lee, Soo-Hee Oh, Jung-Dae Kim, Sung-Ik Lee
<br>Physica C 460-462, 78-79 (2007/9/1)  <br><br>

<li><b>Aluminum and carbon substitution in MgB2. Electron doping and scattering effects</b>
<br>P. Samuely, P. Szabo, Z. Pribulova, M. Angst, S.L. Bud��ko, P.C. Canfield, T. Klein, L. Lyard, J. Marcus, C. Marcenat, B.W. Kang, H.-J. Kim, H.-S. Lee, H.-K. Lee and S.I. Lee
<br>Physica C 460-462, 84-88 (2007/9/1)  <br><br>

<li><b>Influence of Al doping on the gap values in MgB2 single crystals</b>
<br>Thierry Klein, Zuzana Holanova, Christophe Marcenat, Laurence Lyard, Jacques Marcus, Pavol Szabo, Peter Samuely, Sung-Ik Lee
<br>Physica C 460-462, 562-563 (2007/9/1) <br><br>

<li><b>Fluctuations on the magnetic response of superconducting thin films of Nb and MgB2 - Percolation limit of vortex mobility</b>
<br>F. Colauto, P. Orgiani, X.X. Xi, W.N. Kang, E.M. Choi, H.J. Kim, S.I. Lee, E. Patino, M.G. Blamire, W.A. Ortiz
<br>Physica C 460-462, 1268-1269 (2007/9/1)  <br><br>

<li><b>Flux pinning in c-axis-oriented MgB2 thin film</b>
<br>Z.X. Shi, Y.X. Zhang, H. Lv, Mingxiang Xu, Eun-Mi Choi, Sung-Ik Lee
<br>Physica C 467, 101-105 (2007/12/1)   <br><br>

<li><b>Ferromagnetic Signal in Nanosized Ag Particles</b>
<br>Younghun Jo, Myung-Hwa Jung, Myung-Chul Kyum, and Sung-Ik Lee
<br>Journal of Nanoscience and Nanotechnology 7, 3884-3887 (2007/11) <br><br>

<li><b>Upper Threshold Fields Of Dendritic Flux Jumps In Gold-coated Mgb2 Thin Films </b>
<br>Eun-Mi Choi, Hyun-Sook Lee, Jae Yeap Lee, Sung-Ik Lee, A. A. F. Olsen, V. V. Yurchenko, D. V. Shantsev, T. H. Johansen, Hyeong-Jin Kim, Moo-Hyun Cho
<br>International Journal of Modern Physics B 21(18&19), 3310-3313(2007/7/30) <br><br>

<li><b>Two-gap Nature Of The Bulk Superconductor (Mg1-xalx)B2 With Low (x �� 0.07) Al Doping </b>
<br>Min-Seok Park, Jung-Dae Kim, Hye-Gyong Lee, Heon-Jung Kim, Sung-Ik Lee, Myung-Hwa Jung; Younghun Jo
<br>International Journal of Modern Physics B 21(18&19), 3314-3316(2007/7/30) <br><br>
  
<li><b>Two-level Random Telegraph Noise From Moving Vortices In Clean Mgb2 Single Crystal </b>
<br>Dong-Jin Jang, Hyun-Sook Lee, Sung-Ik Lee, Byeongwon Kang
<br>International Journal of Modern Physics B 21(18&19), 3317-3319(2007/7/30)  <br><br>

<li><b>Phenomenological Theory of Superconductivity and Effects of Antiferromagnetic and Spiral Order in Ho1-xDyxNi2B2C </b>
<br>Jung-Dae Kim, Heon-Jung Kim, Hyeonjin Doh and Sung-Ik Lee
<br>J. Phys. Soc. Jpn. 76 (2007) Suppl. A, pp. 144-145(2007)  <br><br>

<li><b>Characteristics of X-ray absorption near-edge spectra obtained from various MgB2 films </b>
<br>C. H. Hsieh, C. N. Chang, S. Y. Wang, Pohan Lee, H. C. Hsu, Y. Cui, X. X. Xi, Eun-Mi Choi, Sung-Ik Lee and J. M. Chen
<br>CHINESE JOURNAL OF PHYSICS 45(2), 163-174 Part 2 (2007/4)  <br><br>
  
<li><b>Investigating the physical origin of unconventional low-energy excitations and pseudogap phenomena in cuprate superconductors </b>
<br>N.-C. Yeh C.-T. Chen A. D. Beyer and S.-I. Lee
<br>CHINESE JOURNAL OF PHYSICS 45(2), 263-272 Part 2 (2007/4)  <br><br>

</ol>

== 2006 ==

<ol>

<li><b>Onset of Dendritic Flux Avalanches in Superconducting Films</b>
<br> D. V. Denisov, D. V. Shantsev, Y. M. Galperin, Eun-Mi Choi, Hyun-Sook Lee, Sung-Ik Lee, A. V. Bobyl, P. E. Goa, A. A. F. Olsen, and T. H. Johansen
<br> Phys. Rev. Lett. 97(7), 077002 (2006/8/18) <br><br>

<li><b>Comparative analysis of specific heat of YNi2B2C using nodal and two-gap models</b>
<br> C. L. Huang, J.-Y. Lin, C. P. Sun, T. K. Lee, J. D. Kim, E. M. Choi, S. I. Lee and H. D. Yang
<br> Phys. Rev. B 73(1), 012502 (2006/1/1)  <br><br>

<li><b>Comparison of temperature and angular dependence of the upper critical field in Mg1-xAlxB2 single crystals in dirty-limit two-gap theory</b>
<br> Heon-Jung Kim, Hyan-Sook Lee, Byeongwon Kang, Woon-Ha Yim, Younghun Jo, Myung-Hwa Jung, and Sung-Ik Lee
<br> Phys. Rev. B 73(6), 064520 (2006/2/1) <br><br>

<li><b>Influence of Al doping on the critical fields and gap values in magnesium diboride single crystals</b>
<br> T. Klein, L. Lyard, J. Marcus, C. Marcenat, P. Szabo, Z. Hol��anova, P. Samuely, B. W. Kang, H-J. Kim, H-S. Lee, H-G. Lee, and S-I. Lee
<br> Phys. Rev. B 73(22), 224528 (2006/6/1) </a>  <br><br>

<li><b>Infrared signature of ion displacement in the noncollinear spin state of orthorhombic YMnO3 </b>
<br> Jungho Kim, Sunghoon Jung, M. S. Park, Sung-Ik Lee, H. D. Drew, H. Cheong, K. H. Kim, and E. J. Choi
<br> Phys. Rev. B 74(5), 052406 (2006/8/1) <br><br>

<li><b>Flux dendrites of opposite polarity in superconducting MgB2 rings observed with magneto-optical imaging</b>
<br> Age Andreas Falnes Olsen, Tom Henning Johansen, Daniel Shantsev, Eun-Mi Choi, Hyun-Sook Lee, Hyun Jung Kim and Sung-Ik Lee
<br> Phys. Rev. B 74(6), 064506 (2006/8/1) <br><br>

<li><b>Dynamic critical behaviors in two-dimensional Josephson junction arrays with positional disorder</b>
<br> Jaegon Um, Beom Jun Kim, Petter Minnhagen, M. Y. Choi, and Sung-Ik Lee
<br> Phys. Rev. B 74(6), 094516 (2006/9/1)  <br><br>

<li><b>Observation of the spontaneous vortex phase in the weakly ferromagnetic superconductor ErNi2B2C : A penetration depth study</b>
<br> E. E. M. Chia, M. B. Salamon, T. Park, H.-J. Kim, S.-I. Lee and H. Takeya
<br> Europhys. Lett. 73(5), 772 - 778 (2006/3/1)  <br><br>

<li><b>Magnus force and acoustic Stewart-Tolman effect in type-II superconductors</b>
<br> V. D. Fil, D. V. Fil, A. N. Zholobenko, N. G. Burma, Yu. A. Avramenko, J. D. Kim, E. M. Choi and S.I. Lee
<br> Europhys. Lett. 76(3), 484 - 490 (2006/11/1)  <br><br>

<li><b>Phase Transitions in Positionally Disordered Josephson Junction Arrays in a Magnetic Field</b>
<br> Jaegon Um, Sung-Ik Lee, Beom Jun Kim
<br> Journal of the Korean Physical Society 48(5), S127~S129 (2006/2/28) <br><br>

<li><b>Peak Effect and Its Dynamic Nature in MgB2 Single Crystals</b>
<br> Heon-Jung Kim, Hyun-Sook Lee, P. Chowdhury, Kyung-Hee Kim, Min-Seok Park, Hye-Gyong Lee, Byeongwon Kang and Sung-Ik Lee
<br> Journal of the Korean Pbysical Society 48(5), 1022-1025 (2006/5) <br><br>

<li><b>Superconducting Properties of Ca1.82Na0.18CuO2Cl2 Single Crystals from the Equilibrium Magnetization</b>
<br> Kyung-Hee Kim, Heon-Jung Kim, Jung-Dae Kim, H.-G. Lee and Sung-Ik Lee
<br> Journal of the Korean Pbysical Society 48(5), 1032-1035(2006/5)  <br><br>

<li><b>Nature of the Fluctuation Conductivity in La1.87Y0.13CuO4</b>
<br>  Hyun-Sook Lee, Heon-Jung Kim, Hyun-Jung Kim, Sung-Ik Lee, Akio Tsukada and Michio Naito
<br> Journal of the Korean Pbysical Society 48(5), 1036-1039(2006/5) <br><br>

<li><b>Vortex Avalanche in Gold-Coated and Finite-Sized MgB2 Thin Films</b>
<br> Eun-Mi Choi, Hyun-Sook Lee, Sung-Ik Lee, A. A. F. Olsen, D. V. Shantsev and T. H. Johansen
<br> Journal of the Korean Pbysical Society 48(5), 1044-1047(2006/5) <br><br>

<li><b>Crystalline thin films of transition metal hexacyanochromates grown under Langmuir monolayer </b>
<br> Nitin Bagkar, Sipra Choudhury, Kyung-Hee Kim, Prasanta Chowdhury, Sung-Ik Lee and J.V. Yakhmi
<br> Thin Solid Films  513, 325-330 (2006/8/14) <br><br>

<li><b>Three-dimensional superconductivity and vortex glass transition in La1.87Y0.13CuO4 </b>
<br> Hyun-Sook Lee, Heon-Jung Kim, Hyun-Jung Kim, Myung-Hwa Jung, Younghun Jo, Sung-Ik Lee, Akio Tsukada and Michio Naito
<br> Physica B: Condensed Matter 378-380, 447-448 (2006/5/1) <br><br>

<li><b>Pressure effect on the infinite-layer superconductor Sr0.9La0.1CuO2 studied by magnetization </b>
<br> H.C. Kim, Myoung-Hwan Kim, M.H. Jung, Min-Seok Park and Sung-Ik Lee
<br> Physica B: Condensed Matter 378-380, 886-887 (2006/5/1)<br><br>

<li><b>Dynamic vortex-phase diagram of MgB2 single crystals near the peak-effect region </b>
<br> Heon-Jung Kim, Hyun-Sook Lee, Byeongwon Kang, P. Chowdhury, Kyung-Hee Kim, Min-Seok Park and Sung-Ik Lee
<br> Physica B: Condensed Matter 378-380, 888-889 (2006/5/1) <br><br>

<li><b>Measurement of the anisotropy ratios in MgB2 single crystals </b>
<br> Heon-Jung Kim, Byeongwon Kang, Hyun-Sook Lee and Sung-Ik Lee
<br> Physica B: Condensed Matter 378-380, 890-891 (2006/5/1) <br><br>

<li><b>Torque magnetometry studies of metamagnetic transitions in single-crystal HoNi2B2C and ErNi2B2C at T ? 1.9K </b>
<br> D.G. Naugle, K.D.D. Rathnayaka, S.A. Adegbenro, B.I. Belevtsev, P. C. Canfield and S.-I. Lee
<br> Journal of Applied Physics 99, 08F701 (2006/4/15) <br><br>

<li><b>Anomalous field dependence of anisotropy observed in MgB2 single crystals with a torque method </b>
<br> T. Nojima, H. Nagano, A. Ochiai, H. Aoki, B. Kang and S.-I. Lee
<br> Physica C: Superconductivity 445-448, 42-45 (2006/10/1) <br><br>

</ol>

== 2005 ==

<ol>
<li><b>Muon-Spin-Rotation Measurements of the Penetration Depth of the Infinite-Layer Electron-Doped Sr0:9La0:1CuO2 Cuprate Superconductor</b>
<br> A. Shengelaya, R. Khasanov, D. G. Eshchenko, D. Di Castro, I. M. Savic��, M. S. Park, K. H. Kim, Sung-Ik Lee,
K. A. Mu��ller, and H. Keller
<br> Phys. Rev. Lett. 94(12), 127001 (2005/4) <br><br>

<li><b>Dendritic magnetic avalanches in carbon-free MgB2 thin films with and without a deposited Au layer</b>
<br> Eun-Mi Choi, Hyun-Sook Lee, Hyun Jung Kim, Byeongwon Kang, Sung-Ik Lee, A. A. F. Olsen, D. V. Shantsev and T. H. Johansen
<br> Applied Physics Letters 87, 152501 (2005/10) <br><br>

<li><b>Observation of a pair-breaking field in the magnetically diluted antiferromagnetic superconductor DyNi2B2C</b>
<br> D. R. Sanchez and E. M. Baggio-Saitovitch, H. Micklitz, Sung-Ik Lee
<br> Phys. Rev. B 71(2), 024508 (2005/1) <br><br>

<li><b>Anomalous paramagnetic effects in the mixed state of LuNi2B2C</b>
<br> Tuson Park, A. Malinowski, M. F. Hundley, and J. D. Thompson, Y. Sun and M. B. Salamon, Eun Mi Choi, Heon Jung Kim, and Sung-Ik Lee, P. C. Canfield and V. G. Kogan
<br> Phys. Rev. B 71(5), 054511 (2005/2) <br><br>

<li><b>Dimensionality of superconductivity and vortex dynamics in the infinite-layer cuprate Sr0.9 M0.1 Cu O2 (M=La,Gd) </b>
<br> V. S. Zapf, N.-C. Yeh, A. D. Beyer, C. R. Hughes, C. H. Mielke, N. Harrison, M. S. Park, K. H. Kim, and S.-I. Lee
<br> Phys. Rev. B 71(13), 134526 (2005/4) <br><br>

<li><b> Dynamic vortex-phase diagram and noise property of MgB2 single crystals near the peak-effect region </b>
<br> Heon-Jung Kim, Hyun-Sook Lee, Byeongwon Kang, P. Chowdhury, Kyung-Hee Kim, Min-Seok Park, and Sung-Ik Lee
<br> Phys. Rev. B 71(17), 174516 (2005/5) <br><br>

<li><b> Effect of disorder in MgB2 thin films </b>
<br> M. Iavarone, R. Di Capua, A. E. Koshelev, W. K. Kwok, F. Chiarella, R. Vaglio, W. N. Kang, E. M. Choi, H. J. Kim, S. I. Lee, A. V. Pogrebnyakov, J. M. Redwing, and X. X. Xi
<br> Phys. Rev. B 71(21), 214502 (2005/6) <br><br>

<li><b> Size of flux jumps in superconducting films </b>
<br> D. V. Shantsev, A. V. Bobyl, Y. M. Galperin, T. H. Johansen, and S. I. Lee
<br> Phys. Rev. B 72(02), 024541 (2005/7) <br><br>

<li><b> Effect of Tb substitution for Dy on superconductivity and magnetism in Dy1- xTbxNi2B2C </b>
<br> Jae-Hyuk Choi, Heon-Jung Kim, H. B. Kim, Hyeon-Jin Doh, Sung-Ik Lee, and B.K. Cho
<br> Phys. Rev. B 72(05), 054516 (2005/8) <br><br>

<li><b> Reply to "Comment on `Enhanced two-dimensional properties of the four- layered cuprate high-Tc superconductor TlBa2Ca3Cu4Oy'" </b>
<br> Heon-Jung Kim, Kyung-Hee Kim, Sung-Ik Lee, A. Iyo, Y. Tanaka, K.Tokiwa, and T. Watanabe
<br> Phys. Rev. B 72(17), 176503 (2005/11) <br><br>

<li><b> Doping-dependent reduction of the Cu nuclear magnetic resonance intensity in the electron-doped superconductors </b>
<br> G. V. M. Williams, J. Haase, Min-Seok Park, Kyung Hee Kim, and Sung-Ik Lee
<br> Phys. Rev. B 72(21), 212511 (2005/12) <br><br>

<li><b> Effect of magnetic order on the superfluid response of single-crystal ErNi2 B2 C : A penetration depth study </b>
<br> Elbert E. M. Chia, W. Cheong, Tuson Park, and M. B. Salamon, Eun-Mi Choi and Sung-Ik Lee
<br> Phys. Rev. B 72(21), 214505 (2005/12) <br><br>

<li><b> Effect of apical oxygen replacement by chlorine on the thermodynamic properties of Ca1.82Na0.18CuO2Cl2 single crystals </b>
<br> Kyung-Hee Kim, Heon-Jung Kim, Jung-Dae Kim, H.-G. Lee and Sung-Ik Lee
<br> Phys. Rev. B 72(22), 224510 (2005/12) <br><br>

<li><b> Instability of defensive alliances in the predator-prey model on complex networks </b>
<br> Beom Jun Kim, Jianbin Liu, Jaegon Um and Sung-Ik Lee
<br> Phys. Rev. E 72(04), 041906 (2005/10) <br><br> 

<li><b>Bulk evidence for s-wave pairing symmetry in electron-doped infinite- layer cuprate Sr0.9La0.1CuO2</b>
<br>  Liu ZY, Wen HH, Shan L, Yang HP, Lu XF, Gao H, Park MS, Jung CU, Lee SI
<br> Europhys. Lett. 69(2), 263-269 (2005/1) <br><br>

<li><b>Dependence of penetration depth, microwave surface resistance and energy gap of MgB2 thin films on their normal-state resistivity</b>
<br> B B Jin, T Dahm, C Iniotakis, A I Gubin, Eun-Mi Choi, Hyun Jung Kim, Sung-IK Lee, W N Kang, S F Wang, Y L Zhou, A V Pogrebnyakov, J M Redwing, X X Xi and N Klein
<br> Supercond. Sci. Technol. 18(1), L1-L4 (2005/1)  <br><br>

<li><b>The upper critical field and two-gap nature in Mg1-xAlxB2</b>
<br> Min-Seok Park, Heon-Jung Kim, Byeongwon Kang and Sung-Ik Lee
<br> Supercond. Sci. Technol. 18(1), 183-186 (2005/1) <br><br>

<li><b>An H-T diagram characterizing the activation barriers obtained from the magnetic relaxation of HgBa2Ca2Cu3O8+��
thin film</b>
<br> Myoung-Hwan Kim, Sung-Ik Lee, Mun-Seog Kim and Won Nam Kang
<br> Supercond. Sci. Technol. 18(6), 835-838 (2005/6) <br><br>

<li><b>Three-dimensional superconductivity of the structurally two-dimensional superconductor La1.87Y0.13CuO4: study of an angle-dependent critical current density thin film</b>
<br> Hyun-Sook Lee, Heon-Jung Kim, Hyun-Jung Kim, Myung-Hwa Jung, Younghun Jo, Sung-Ik Lee, Akio Tsukada and Michio Naito
<br> Supercond. Sci. Technol. 18(7), 944-947 (2005/7) <br><br>

<li><b>Reversible magnetization and irreversibility line of tri-layer superconductor Ba2Ca2Cu3O6(O,F)2 with Tcw108 K</b>
<br> Mun-Seog Kim, Kyu-Tae Kim, Heon-Jung Kim, Kyung-Hee Kim, Jin-Ju Ko, Jung-Dae Kim, Sung-Ik Lee, A. Iyoc, Y. Tanaka
<br> Solid State Communications 133, 459-463 (2005/2) <br><br>

<li><b>Two-gap Superconductivity in MgB<sub>2</sub></b>
<br>Heon-Jung Kim and Sung-Ik Lee
<br>AAPPS Bulletin 15(1), 37-44 (2005/2)  <br><br>

<li><b>Anistropy of the Electron-Doped Infinite layer Superconductors Sr0.9La0.1CuO2</b>
<br> Heon-Jung Kim, Min-Seok Park, C.U. Jung, Sung-Ik Lee and Mun-Seog Kim
<br> Int. J Mod Phy B 19(1-3), 209-212 (2005/1) <br><br>

<li><b>Quasiparticle Spectroscopy And High-field Phase Diagrams Of Cuprate Superconductors - An Investigation Of Competing Orders And Quantum Criticality</b>
<br> N.-C. Yeh, C.-T. Chen, V. S. Zapf, A. D. Beyer, C. R. Hughes, M.-S. Park, K.-H. Kim, S.-I. Lee
<br> Int. J Mod Phy B 19(1-3), 285-294 (2005/1) <br><br>

 <li><b>Fabrication of Josephson Junctions on Mgb2 Thin Films Using Focused-Ion-Beam (FIB)</b>
<br> Sang-Jae Kim, Gui-Sik Kim, Yoshihiko Takano, Shunichi Arisawa, Kyung-Sung Yun, Akira Ishii, Takeshi Hatano, Hyun-Sook Lee, Eun-Mi Choi, Kijoon H. P. Kim, Sung-Ik Lee
<br> Int. J Mod Phy B 19(1-3), 391-394 (2005/1) <br><br>

<li><b>Suppression of Magnetization By a Small Transverse Ac Magnetic Field </b>
<br> Dong Ho Kim, Heon-Jung Kim, Sung-Ik Lee
<br> Int. J Mod Phy B 19(1-3), 443-446 (2005/1) <br><br>

<li><b>Experimental Investigation of the Competing Orders and Quantum Criticality in Hole- and Electron-Doped Cuprate Superconductors  </b>
<br> N.-C. Yeh, C.-T. Chen, V. S. Zapf, A. D. Beyer, C. R. Hughes, M.-S. Park, K.-H. Kim, and S.-I. Lee
<br> Chinese Journal of Physics 43(3-II), 505-514 (2005/6) <br><br>

<li><b>Two-gap Superconductivity ofMgB2 Single Crystals Revealed inMagnetic Penetration Depth </b>
<br> Byeongwon Kang, Heon-Jung Kim, Min-Seok Park, and Sung-Ik Lee
<br> Chinese Journal of Physics 43(3-II), 583-586 (2005/6) <br><br>

<li><b>Two-Dimensional Character in the Reversible Magnetization of Tl2Ba2CaCu2O8+��� Single Crystals </b>
<br> Heon-Jung Kim, P. Chowdhury, and Sung-Ik Lee
<br> Chinese Journal of Physics 43(3-II), 638-641 (2005/6) <br><br>

<li><b>Pinning in nomagnetic borocarbides </b>
<br>A.N. Zholobenko, G P. Mikitik, and V.D. Fil, D V. Fil, J.D. Kim , E.M. Choi, S.I. Lee
<br>LOW TEMPERATURE PHYSICS 31(12), 1043-1047 (2005/12) <br><br>

</ol>

== 2004 ==

<ol>
<li><b>Anisotropies of the Lower and Upper Critical Fields in MgB<sub>2</sub> Single Crystals</b>
<br> L. Lyard, P. Szabo, T. Klein, J. Marcus, C. Marcenat, K. H. Kim, B. W. Kang, H. S. Lee, and S. I. Lee
<br> Phys. Rev. Lett. 92(5), 057001 (2004/2) <br><br>

<li><b>Evidence for the Coexistence of an Anisotropic Superconducting Gap and Nonlocal Effects in the Nonmagnetic Superconductor LuNi2B2C</b>
<br> Tuson Park, Elbert E.M. Chia, M. B. Salamon, E. D. Bauer, I. Vekhter, J. D. Thompson, Eun Mi Choi, Heon Jung Kim, Sung-Ik Lee, and P. C. Canfield
<br> Phys. Rev. Lett. 92(23), 237002 (2004/6) <br><br>

<li><b>Enhancement at low temperatures of the critical current density for Au-coated MgB<sub>2</sub> thin films</b>
<br> Eun-Mi Choi, Hyun-Sook Lee, Heon-Jung Kim, Sung-Ik Lee, Hyeong-Jin Kim and W. N. Kang
<br> Applied Physics Letters 84(1), 82 (2004/1) <br><br>

<li><b>Specific heat study of the magnetic superconductor HoNi<sub>2</sub>B<sub>2</sub>C </b>
<br> T. Park, M. B. Salamon, E. M. Choi, H. J. Kim, and S.-I. Lee
<BR> Phys. Rev. B 69(5), 054505 (2004/2) <br><br>

<li><b>Reversible magnetization of MgB2 single crystals with a two-gap nature</b>
<br> B. Kang, H.-J. Kim, M.-S. Park, K.-H. Kim, and S.-I. Lee
<BR> Phys. Rev. B 69(14), 144514 (2004/4) <br><br>

<li><b>Reversible magnetization measurement of the anisotropy of the London penetration depth in MgB2 single crystals</b>
<br> Heon-Jung Kim, Byeongwon Kang, Min-Seok Park, Kyung-Hee Kim, Hyun Sook Lee, and Sung-Ik Lee
<BR> Phys. Rev. B 69(18), 184514 (2004/5) <br><br>

<li><b>Effect of two bands on the scaling of critical current density in MgB2 thin films</b>
<br> Eun Mi Choi, Heon-Jung Kim, S. K. Gupta, P. Chowdhury, Kijoon H. P. Kim, and Sung-Ik Lee, W. N. Kang, Hyeong-Jin Kim, Myung-Hwa Jung, and Soo-Hyun Park
<BR> Phys. Rev. B 69(22), 224510 (2004/6) <br><br>

<li><b>Enhanced two-dimensional properties of the four-layered cuprate high-Tc superconductor
TlBa2Ca3Cu4Oy</b>
<br> Kyung-Hee Kim, Heon-Jung Kim, Sung-Ik Lee, A. Iyo, Y. Tanaka, K. Tokiwa, and T. Watanabe
<BR> Phys. Rev. B 70(9), 092501 (2004/9) <br><br>

<li><b>Peak effect and anomalous dynamic nature of a metastable state in MgB2 single crystals</b>
<br> Heon-Jung Kim, Hyun Sook Lee, Byeongwon Kang, P. Chowdhury, Kyung-Hee Kim, and Sung-Ik Lee
<BR> Phys. Rev. B 70(13), 132501 (2004/10) <br><br>

<li><b> Two-band effects in the angular dependence of Hc2 of MgB2 single crystals</b>
<br> A. Rydh, U. Welp, A. E. Koshelev, W. K. Kwok, G. W. Crabtree R. Brusetti, L. Lyard, and T. Klein C. Marcenat B. Kang, K. H. Kim, K. H. P. Kim, H.-S. Lee, and S.-I. Lee 
<BR> Phys. Rev. B 70(13), 132503 (2004/10) <br><br>

<li><b> Effect of thermodynamic fluctuations on in-plane and out-of-plane magnetoresistance of monolayer superconductor Tl2Ba2CuO6 +delta</b>
<br> Heon-Jung Kim, P. Chowdhury, S. K. Gupta, N. H. Dan, and Sung-Ik Lee
<BR> Phys. Rev. B 70(14), 144510 (2004/10) <br><br>

<li><b> Geometrical barriers and lower critical field in MgB2 single crystals</b>
<br> L. Lyard, T. Klein, J. Marcus, R. Brusetti, C. Marcenat, M.
Konczykowski, V. Mosser, K. H. Kim, B. W. Kang, H. S. Lee, and S. I. Lee
<BR> Phys. Rev. B 70(18), 180504(R)  (2004/11) <br><br>

<li><b> Systematic reduction of magnetization by an ac transverse field and of the anomalous magnetization peak in a N2-annealed Tl2Ba2CuO6 single crystal</b>
<br> Dong Ho Kim, Heon-Jung Kim, N. H. Dan, and Sung-Ik Lee 
<BR> Phys. Rev. B 70(21), 214527 (2004/12)  <br><br>

<li><b> Elastic anomalies in HoNi2B2C single crystals</b>
<br> V. D. Fil, A. Knigavko, A. N. Zholobenko, E.-M. Choi and S.-I. Lee
<BR> Phys. Rev. B 70(22), 220504(R) (2004/12)  <br><br>

<li><b>Physical properties of ZnCNi<sub>3</sub>:comparison with superconducting MgCNi<sub>3</sub></b>
<br> Min-Seok Park, JinSoo Giim, Soo-Hyeon Park, YWLee, S I Lee and E J Choi
<br> Supercond. Sci. Technol. 17(2), 274-277 (2004/2)<br><br>

<li><b>STM tunnelling spectroscopy in MgB2 thin films: the role of band structure in tunnelling spectra</b>
<br> M Iavarone, G Karapetrov, A E Koshelev, W K Kwok, G W Crabtree, W N Kang, Eun-Mi Choi, Hyun Jung Kim and Sung-Ik Lee 
<br> Supercond. Sci. Technol. 17(5), S106-S111 (2004/5)<br><br>

<li><b>Critical current density of MgB2 thin films and the effect of interface pinning</b>
<br> Eun-Mi Choi, S K Gupta, Shashwati Sen, Hyun-Sook Lee, Hyun-Jung Kim and Sung-Ik Lee
<br> Supercond. Sci. Technol. 17(9), S524-S527 (2004/9) <br><br>

<li><b>Microstructure and superconductivity of MgB2 single crystals</b>
<br> Kijoon H.P. Kim, C.U. Jung, B.W. Kang, Kyung Hee Kim, Hyun-Sook Lee, Sung-Ik Lee, N. Tamura, W.A. Caldwell, J.R. Patel
<br> Current Applied Physics 4, 272-275 (2004/4) <br><br>

<li><b>Field dependent creep characteristics in Tl2Ba2CuO6 single crystals</b>
<BR>P Chowdhury, Heon-Jung Kim, S K Gupta and Sung-Ik Lee
<BR>J. Phys.: Condens. Matter 16, 6727-6736 (2004/9) <br><br>

<li><b>Fluctuation of superconductivity in MgB2 thin flms</b>
<br> Heon-Jung Kim, Kyung-Hee Kim, W.N. Kang, H.S. Lee, Kijoon H.P. Kim, Eun-Mi Choi, Hyun Jung Kim, Hyeong-Jin Kim,
Sung-Ik Lee, Mi-Ock Mun
<BR> Physica C 408-410, 72-74 (2004/8)<br><br>

<li><b>Observation of the coherence peak in MgB2 thin films</b>
<br> B.B. Jin , T. Dahm, A.I. Gubin, Hyeong-Jin Kim, Eun-Mi Choi, Sung-Ik Lee, W.N. Kang, N. Klein
<BR> Physica C 408-410, 79-80 (2004/8) <br><br>

<li><b>Linear and non-linear ac response of the vortex matter in MgB2 single crystals</b>
<br> L. Lyard, T. Klein, J. Marcus, C. Marcenat, B. Kang, H.-J. Kim, E.-M. Choi, C.U. Jung, S.-I. Lee
<BR> Physica C 408-410, 93-94(2004/8)<br><br>

<li><b>Mesoscopic flux jumps in MgB2 films visualized by magneto-optical imaging</b>
<br> A.V. Bobyl, D.V. Shantsev, Y.M. Galperin, A.A.F. Olsen, T.H. Johansen, W.N. Kang, S.I. Lee
<BR> Physica C 408-410, 508-509 (2004/8)  <br><br>

<li><b>Anisotropy in MgB2 thin film studied by magnetic field dependent complex microwave conductivity</b>
<br> A. Dulcic, M. Pozek, D. Paar, E.-M. Choi, H.-J. Kim, W.N. Kang, S.-I. Lee
<BR> Physica C 408-410, 662-663 (2004/8)  <br><br>

<li><b>Two-gap interplay in MgB2: a tunneling spectroscopy study</b>
<br> D. Roditchev, F. Giubileo, F. Bobba, R. Lamy, E.-M. Choi, H.-J. Kim, W.N. Kang, S. Miraglia, J. Marcus, W. Sacks, J. Klein, A.M. Cucolo, S.-I. Lee, D. Fruchart
<BR> Physica C 408-410, 768-772 (2004/8) <br><br>

<li><b>Experimental investigation of the asymmetric spectroscopic characteristics of electron- and hole-doped cuprates</b>
<br> N.-C. Yeh, C.-T. Chen, A.D. Beyer, C.R. Hughes, T.A. Corcovilos, S.I. Lee
<BR> Physica C 408-410, 792-793 (2004/8)  <br><br>

<li><b>Nuclear magnetic resonance study of the electron-doped high-temperature superconducting cuprates</b>
<br> G.V.M. Williams, S. Kramer, C.U. Jung, Min-Seok Park, and Sung-Ik Lee
<br> Solid State Nuclear Magnetic Resonance 26, 236-245 (2004/11) <br><br>

<li><b>Superconductivity and Magnetization of the Electron-Doped In�nite-Layer Superconductor Sr0.9La0.1CuO2</b>
<br> Min-Seok Park, Kyung-Hee Kim, C. U. Jung, Mun-Seog Kim and Sung-Ik Lee
<br> Journal of the Korean Physical Society 45, 656-659 (2004/9)<br><br>

<li><b>Effect of Annealing on Physical Properties of MgB2 Thin Films</b>
<br>Eun-Mi Choi, S. K. Gupta, Shashwati Sen, Hyun-Sook Lee,Hyun-Jung Kim, W. N. Kang, and Sung-Ik Lee
<br>Chinese Journal of Phyiscs 42(1), 543-548 (2004/8) <br><br>

<li><b>Magnetic profiles in magnesium diboride single crystals </b>
<br>L. Lyard, T. Klein, J. Marcus, C. Marcenat, S.I. Lee
<br>CZECHOSLOVAK JOURNAL OF PHYSICS 54, D453-D456 (2004/12)<br><br>

<li><b>Superconductivity in and Microstructure of Well-Shaped Single-Srystalline</b>
<br>Kijoon H.P. Kim, kyung Hee Kim, B.W. Kang, Dong Hun Lee, Hyun Sook Lee, Min Seok Park, C.H. jung, P.Chowdhury and Sung-Ik Lee
<br>Focus on Superconductivity  (2004 Nova Science Publishers Inc. Editor:Barry P. Martins ISBN 1-59033-865-0)&nbsp; pp. 137-150 <br><br>

<li><b>Effect of Mg Impurity on the Magnetotransport Prorerties of the MgB2 Superconductor </b>
<br>Kyung-Hee Kim, C.H. Jung, Heon-Jung Kim, Min-Seok Park, Dong-Hun Lee and Sung-Ik Lee
<br> Focus on Superconductivity  (2004 Nova Science Publishers Inc. Editor:Barry P. Martins ISBN 1-59033-865-0)&nbsp; pp. 191-206.
<br><br>

</ol>

== 2003 ==

<ol>

<li><b>Evidence for Nodal Quasiparticles in the Nonmagnetic Superconductor YNi<sub>2</sub>B<sub>2</sub>C via Field-Angle-Dependent Heat Capacity</b>
<br> Tuson Park, M. B. Salamon, Eun Mi Choi, Heon Jung Kim, and Sung-Ik Lee
<br> Phys. Rev. Lett. 90(17), 177001 (2003) <br><br>

<li><b>Anomalous Coherence Peak in the Microwave Conductivity of c-Axis Oriented MgB2 Thin Films</b>
<br> B. B. Jin, T. Dahm, A. I. Gubin, Eun-Mi Choi, Hyun Jung Kim, Sung-IK Lee, W. N. Kang, and N. Klein
<br> Phys. Rev. Lett. 91(12), 127006 (2003) <br><br>

<li><b>Pair-Breaking and Superconducting State Recovery Dynamics in MgB2</b>
<br> J. Demsar, R. D. Averitt, A. J. Taylor, V.V. Kabanov, W. N. Kang, H. J. Kim, E.M. Choi, and S. I. Lee
<br> Phys. Rev. Lett. 91(26), 267002 (2003) <br><br>

<!------------------ prb -------------->

<li><b> Superconducting transition and phase diagram of single-crystal MgB2 </b>
<br> U. Welp, A. Rydh, G. Karapetrov, W. K. Kwok, G. W. Crabtree, Ch. Marcenat, L. Paulius, T. Klein, J. Marcus, K. H. P. Kim, C. U. Jung, H.-S. Lee, B. Kang, and S.-I. Lee
<br> Phys. Rev. B 67(1), 012505 (2003) <br><br>

<li><b>Coherence lengths and anisotropy in MgB<sub>2</sub> superconductor</b>
<br> A. Dulc��ic��, M. Poz��ek, and D. Paar, Eun-Mi Choi, Hyun-Jung Kim, W. N. Kang, and Sung-Ik Lee 
<br>Phys. Rev. B 67, 020507(R) (2003) <br><br>

<li><b> Phonon structure in I-V characteristic of MgB2 point contacts </b>
<br> I. K. Yanson, V. V. Fisun, N. L. Bobrov, Yu. G. Naidyuk, W. N. Kang, E.-M. Choi, H.-J. Kim, and S.-I. Lee 
<br> Phys. Rev. B 67(2), 024517 (2003) <br><br>

<li><b> Local threshold field for dendritic instability in superconducting MgB<sub>2</sub> films </b>
<br> F. L. Barkov, D. V. Shantsev, T. H. Johansen, P. E. Goa, W. N. Kang, H. J. Kim, E. M. Choi, and S. I. Lee
<br> Phys. Rev. B 67(6), 064513 (2003) <br><br>

<li><b> Superconducting fluctuation probed by in-plane and out-of-plane conductivities in Tl<sub>2</sub>Ba<sub>2</sub>CaCuO<sub>8 + y</sub> single crystals</b>
<br> Heon-Jung Kim, P. Chowdhury, W. N. Kang, Dong-Jin Zang, and Sung-Ik Lee
<br> Phys. Rev. B 67(14), 144502 (2003) <br><br>

<li><b> Angle-resolved soft x-ray spectroscopy study of the electronic states of single-crystal MgB<sub>2</sub></b>
<br> G. P. Zhang, G. S. Chang, T. A. Callcott, D. L. Ederer, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, and Sung-Ik Lee 
<br> Phys. Rev. B 67(17), 174519 (2003)
<br><b> Erratum: Angle-resolved soft x-ray spectroscopy study of the electronic states of single-crystal
MgB2 UPhys. Rev. B 67, 174519 N2003Oa</b>
<br> Phys. Rev. B 68(13), 139901(E) (2003) <br><br>

<li><b> Pair-breaking critical current density of magnesium diboride</b>
<br> M. N. Kunchur, S.-I. Lee, and W. N. Kang
<br> Phys. Rev. B 68(6), 064516 (2003) <br><br>

<li><b> X-ray absorption and optical spectroscopy studies of (Mg<sub>1-x</sub>Al<sub>x</sub>)B<sub>2</sub></b>
<br> H. D. Yang, H. L. Liu, J.-Y. Lin, M. X. Kuo, P. L. Ho, J. M. Chen, C. U. Jung, Min-Seok Park, and Sung-Ik Lee
<br> Phys. Rev. B 68(9), 092505 (2003) <br><br>

<li><b> Critical flux pinning and enhanced upper critical field in magnesium diboride films</b>
<br> Milind N. Kunchur, Cheng Wu, Daniel H. Arcos, and Boris I. Ivlev, Eun-Mi Choi, Kijoon H. P. Kim, W. N. Kang, and Sung-Ik Lee
<br> Phys. Rev. B 68(10), 100503(R) (2003) <br><br>

<li><b> Magnetic relaxation in Tl2Ba2CaCu2O8 single crystals by SQUID magnetometer and micro-Hall sensor</b>
<br> P. Chowdhury, Heon-Jung Kim, W. N. Kang, Dong-Jin Zang, and Sung-Ik Lee, D. H. Kim
<br> Phys. Rev. B 68(13), 134413 (2003) <br><br>

<li><b> Surface contribution to the superconducting properties of MgB<sub>2</sub> single crystals</b>
<br> A. Rydh, U. Welp, J. M. Hiller, A. E. Koshelev, W. K. Kwok, and G. W. Crabtree, K. H. P. Kim, K. H. Kim, C. U. Jung, H.-S. Lee, B. Kang, and S.-I. Lee
<br> Phys. Rev. B 68(17), 172502 (2003) <br><br>

<!-------------------- physica C ------------------------->
<li><b> Peak anomaly and irreversible magnetization in Tl<sub>2</sub>Ba<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub> single crystals</b>
<br> P. Chowdhury , Heon-Jung Kim, In-Sun Jo, Sung-Ik Lee
<br> Physica C 384, 411-418 (2003) <br><br>

<li><b> Growth of superconducting MgB2 thin films via postannealing techniques</b>
<br> W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Hyun-Jung Kim and Sung-Ik Lee
<br> Physica C 385, 24-30 (2003)  <br><br>

<li><b> Superconducting phase diagram of single-crystal MgB<sub>2</sub></b>
<br> U. Welp, A. Rydh, G. Karapetrov, W.K. Kwok, G.W. Crabtree, C. Marcenat, L.M. Paulius, L. Lyard, T. Klein, J. Marcus, S. Blanchard, P. Samuely, P. Szabo, A.G.M. Jansen, K.H.P. Kim, C.U. Jung, H.-S. Lee, B. Kang, S.-I. Lee
<br> Physica C 385, 154-161 (2003)  <br><br>

<li><b> Directional scanning tunneling spectroscopy in MgB<sub>2</sub></b>
<br> M. Iavarone, G. Karapetrov, A. E. Koshelev, W. K. Kwok, G. W. Crabtree,D. G. Hinks, R. Cook, W. N. Kang, E. M. Choi, H. J. Kim and S. I. Lee
<br> Physica C 385, 215-220 (2003)  <br><br>

<li><b> Effect of interface pinning on dissipation, volume pinning force and measurement of upper critical magnetic field in MgB2 thin films</b>
<br> S. K. Gupta, Shashwati Sen, Niraj Joshi, D. K. Aswal, I. K. Gopalakrishnan, J. V. Yakhmi, V. C. Sahni, Eun-Mi Choi, Kijoon H. P. Kim, Hyun-Sook Lee et al.
<br> Physica C 385(3), 313-321, (2003)  <br><br>

<li><b> Magnetic relaxation measurement of the infinite-layer superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub></b>
<br> Heon-Jung Kim , C.U. Jung, J.Y. Kim, Mun-Seog Kim, Sung-Ik Lee
<br> Physica C 385, 555-562 (2003)  <br><br>

<li><b> Superconducting phase diagram of single crystal MgB2</b>
<br> U. Welp, A. Rydh, G. Karapetrov, W. K. Kwok, G. W. Crabtree, Ch. Marcenat, L. Paulius, T. Klein, J. Marcus, K. H. P. Kim et al.
<br> Physica C 387(1-2), 137-142 (2003), &nbsp;&nbsp;Proceedings of the Polish-US Workshop <br><br> 

<li><b> Thermoelectric power of MgB2</b>
<br> D. C. Kim, J. S. Kim, B. H. Kim, Y. W. Park, C. U. Jung and S. I. Lee
<br> Physica C 387(3-4), 313-320 (2003)  <br><br>

<li><b>Momentum-dependent scanning tunneling spectroscopy in MgB2</b>
<br>G. Karapetrov, M. Iavarone, A. E. Koshelev, W. K. Kwok, G. W. Crabtree, D. G. Hinks and S. I. Lee
<br> Physica C 388, 141-142 (2003)  
<!--Proceedings of the 23rd International Conference on Low Temperature Physics (LT23)--><br><br>

<li><b>Mixed-state magnetoresistance of c-axis-oriented MgB2 thin flms </b>
<br>Heon-Jung Kim, W.N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H.P. Kim, H.S. Lee, Sung-Ik Lee, Mi-Ock Mun
<br> Physica C 391(2), 119-124 (2003)  <br><br>

<li><b>Effect of the magnetic moments of Gd on the superconductivity in the infinite-layer superconductor  Sr0.9Gd0.1CuO2</b>
<br>C.U. Jung, J.Y. Kim, Sung-Ik Lee, Mun-Seog Kim
<br> Physica C 391(4), 319-325 (2003) <br><br>

<!----------------------- etc ------------------------------>
<li><b> Two-band superconductivity and the effect of pressure in Ho<sub>1-x</sub>Dy<sub>x</sub>Ni<sub>2</sub>B<sub>2</sub>C </b>
<br> Heon-Jung Kim, Jae-Hyuk Choi, Hyeonjin Doh, Eun-Mi Choi, Sung-Ik Lee, M. Ohashi, N. Mori
<br> Physica B 327, 438-442 (2003) <br><br>

<li><b> MgB<sub>2</sub>: directional tunnelling and two-band superconductivity</b>
<br> M Iavarone, G Karapetrov, A Koshelev, W K Kwok, D Hinks, G W Crabtree, W N Kang, Eun-Mi Choi, Hyun Jung Kim and Sung-Ik Lee
<br> Supercond. Sci. Technol. 16, 156-161 (2003) <br><br>

<li><b> Quasiparticle state density on the surface of superconducting thin films of MgB<sub>2</sub></b>
<br> F Bobba1, D Roditchev1, R Lamy1, E-M Choi, H-J Kim, W.N. Kang, V Ferrando, C Ferdeghini, F Giubileo, W Sacks1, S-I Lee, J Klein and A M Cucolo
<br> Supercond. Sci. Technol. 16, 167-170 (2003) <br><br>

<li><b> Upper critical magnetic fields in single crystal MgB<sub>2</sub></b>
<br> L Lyard, P Samuely, P Szab��o, C Marcenat, T Klein, K H P Kim, C U Jung, H-S Lee, B Kang, S Choi, S-I Lee, L Paulius, J Marcus, S Blanchard, A G M Jansen, U Welp, G Karapetrov and W K Kwok
<br> Supercond. Sci. Technol. 16, 193-198 (2003) <br><br>

<li><b> Synthesis of c-axis-oriented MgB<sub>2</sub> thin films and the Hall effect</b>
<br> W N Kang, Heon Jung Kim, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H P Kim, H S Lee and Sung-Ik Lee
<br> Supercond. Sci. Technol. 16, 237-240 (2003) <br><br>

<li><b> Interplay of dendritic avalanches and gradual flux penetration in superconducting MgB<sub>2</sub> films</b>
<br> D V Shantsev, P E Goa1, F L Barkov, T H Johansen, W N Kang and S I Lee
<br> Supercond. Sci. Technol. 16, 566-570 (2003) <br><br>

<li><b> Study of the Electron-Phonon Interaction in Metal Diborides MeB2 (Me = Zr, Nb, Ta, Mg) by Point-Contact Spectroscopy</b>
<br> I. K. Yanson, Yu. G. Naidyuk, O. E. Kvitnitskaya, V. V. Fisun, N. L. Bobrov, P. N. Chubov, V. V. Ryabovol, G. Behr, W. N. Kang, E.-M. Choi, H.-J. Kim, S.-I. Lee, T. Aizawa, S. Otani, and S.-L. Drechsler
<br> Modern Physics Letters B, 17(10-12), 657-666 (2003) <br><br>

<li><b> Studies of the Pressure-Dependent Superconducting States of HoNi2B2C and DyNi2B2C</b>
<br> Younghun Jo, J-G. Park, C. A. Kim, B. K. Cho, H. C. Kim, H-C. Riy, Hyeonjin Doh, Sung-Ik Lee
<br> Journal of the Korean Physical Society, 43(2), 263-268 (2003)  <br><br>

<li><b> Elastic constants of borocarbides. New approach to acoustic Measurement technique</b>
<br> E.A.Masalitin, V.D.Fil, K.R.Zhekov, A.N.Zholobenko, T.V.Ignatova, Sung-Ik Lee
<br> Low Temp. Phys. 29(1), 72-76  (2003)  <br><br>

<li><b>A Multichannel Superconducting Tunnel Junction Detector for High-Resolution X-Ray Spectroscopy of Magnesium Diboride Films</b>
<br>Stephan Friedrich, Arturas Vailionis, Owen Drury, Thomas Niedermayr, Tobias Funk, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, Stephen P. Cramer, Changyoung Kim, and Simon E. Labov
<br>IEEE Transactions On Applied Superconductivity 13(2), 1114-1119 (2003/6) <br><br>

<li><b>Microwave Properties of MgB2 Thin Films</b>
<br>N. Klein, B. B. Jin, R. Wordenweber, P. Lahl, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-IK Lee, T. Dahm, and K. Maki
<br>IEEE Transactions On Applied Superconductivity 13(2), 3253-3256 (2003/6)  <br><br>

<li><b>Effects of Small Magnetic Fields on the Critical Current of Thin Films</b>
<br>W. A. C. Passos, P. N. Lisboa-Filho, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, and W. A. Ortiz
<br>IEEE Transactions On Applied Superconductivity 13(2), 3699-3701 (2003)  <br><br>

<li><b>Magneto-Optical Studies of the Critical States in c-axis Oriented MgB2 Thin Film and Bulk MgB2/Mg Nano-Composites</b>
<br> Zuxin Ye, Qiang Li, G. D. Gu, J. J. Tu, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, and Sung-Ik Lee
<br> IEEE Transactions On Applied Superconductivity 13(2), 3722-3725 (2003/6) <br><br>

<li><b> Mixed-State Transport Characteristics of Magnesium Diboride Films</b>
<br> M. N. Kunchur, Cheng Wu, D. H. Arcos, G. Saracila, Eun-Mi Choi, Kijoon H.P. Kim, W. N. Kang, Sung-Ik Lee
<br> Braz. J. Phys. 33(4), 705(2003/12) <br><br>

<li><b>Pressue Studies of Reentrance Behavior in Hc2 of HoNi2B2C </b>
<br>Younghun Jo, J-G Park, C. A. Kim, B. K. Cho, H. C Kim, H C Ri, Hyeongjin Doh, Sung-Ik Lee 
<br> ACTA Physica Polonica B 34, 455-458 (2003/02) <br><br>


<b>- - -  Special Issue: International Conference on Physics and Chemistry of Molecular and Oxide Superconductors, MOS2002, &nbsp; &nbsp; &nbsp; August 13-18, 2002, Hsinchu, Taiwan. Part II  - - -</b>
<br>&nbsp;
<li><b>Scanning Tunneling Spectroscopic Studies of the Pairing State of Cuprate Superconductors </b>
<br>N.-C. Yeh, C.-T. Chen, R. P. Vasquez, C. U. Jung, S.-I. Lee, K. Yoshida, S. Tajima 
<br>Journal of Low temperature Physics 131(3/4), 435-444 (2003)  <br><br>

<li><b>Effects of Substituting Ni and Zn for Cu in the Electron Doped Sr0.9La0.1CuO2 Superconductor </b>
<br>Heon-Jung Kim, C. U. Jung, J. Y. Kim, Min-Seok Park, Mun-Seog Kim, Sung-Ik Lee 
<br>Journal of Low temperature Physics 131(3/4), 625-629 (2003)  <br><br>

<li><b>High Critical Current Density of c-Axis-Oriented MgB2 Thin Films</b>
<br>Hyeong-Jin Kim; W. N. Kang; Eun-Mi Choi; Kijoon H. P. Kim; Sung-Ik Lee 
<br>Journal of Low temperature Physics 131(5), 1025-1031 (2003)  <br><br>

<li><b>Observation of Hall Scaling in MgB2 Thin Films</b>
<br>W. N. Kang; Kijoon H. P. Kim; Hyeong-Jin Kim; Eun-Mi Choi; Heon Jung Kim; Hyun-Sook Lee; Sung-Ik Lee 
<br>Journal of Low temperature Physics 131(5), 1075-1084 (2003)  <br><br>

<li><b>Transport and Magnetic Properties in MgB2 Single Crystals </b>
<br>Hyun-Sook Lee, Kijoon H. P. Kim, Jae-Hyuk Choi, C. U. Jung, P. Chowdhury, Seungje Choi, Sung-Ik Lee 
<br>Journal of Low temperature Physics 131(5/6), 1117-1127 (2003)  <br><br>

<li><b>Effect of Al Substitution on the Mg Sites in Mg11B2 Prepared Under High-Pressure Conditions </b>
<br>Min-Seok Park, C. U. Jung, J. Y. Kim, Kyung-Hee Kim, B. W. Kang, Sung-Ik Lee 
<br>Journal of Low temperature Physics 131(5/6), 1165-1173 (2003)  <br><br>

<li><b>Pressure Effect on the Coexistence of Magnetism and Superconductivity in Ho1-xDyxNi2B2C</b>
<br>Eun-Mi Choi; Jae-Hyuk Choi; Hyeonjin Doh; Sung-Ik Lee; M. Ohashi; N. Mori 
<br>Journal of Low temperature Physics 131(5/6), 1181-1186 (2003)  <br><br>

<li><b>Phase Diagram of Single Crystal MgB2 </b>
<br>G. Karapetrov, U. Welp, A. Rydh, M. Iavarone, W. K. Kwok, G. W. Crabtree, Ch. Marcenat, L. Paulius, T. Klein, J. Marcus, K. H. P. Kim, C. U. Jung, H.-S. Lee, B. Kang, S.-I. Lee 
<br>Journal of Low temperature Physics 131(5/6), 1237-1244 (2003)  <br><br>


<b>-----  proceedings of New3SC-4  &nbsp;&nbsp;&nbsp; January 17-21, 2003 San Diego, USA ---------</b>
<br>&nbsp;
<li><b>Flux Dynamics and Vortex Phase Diagram in Tl2Ba2CaCu2O8 System</b>
<br>P. Chowdhury, Heon-Jung Kim, Sung-Ik Lee 
<br>Inernational Journal of Modern Physics B 17, 3423-3426 (2003)  <br><br>

<li><b>Origin of Diversified Transport Properties of MgB2</b>
<br>Kijoon H. P. Kim, C. U. Jung, Heon-Jung Kim, Min-Seok Park, Mun-Seog Kim, Kyung Hee Kim, Sung-Ik Lee, K. H. Kim, J. B. Betts, M. Jaime, A. H. Lacerda, G. S. Boebinger 
<br>Inernational Journal of Modern Physics B 17, 3672-3674 (2003) <br><br>

<li><b>Photoinduced Conductivity Dynamics Studies of MgB2 Thin Films</b>
<br>Jure Demsar, Richard D. Averitt, Antoinette J. Taylor, Won-Nam Kang, Heon Jung Kim, Eun-Mi Choi, Sung-Ik Lee 
<br>Inernational Journal of Modern Physics B 17, 3675-3681 (2003) <br><br>

</ol>


== 2002 ==

<ol>

<li><b>Strongly Correlated s-Wave Superconductivity in the N-Type Infinite-Layer Cuprate</b>
<br>C.-T. Chen, P. Seneor, N.-C. Yeh, R. P. Vasquez, L. D. Bell, C. U. Jung, J.Y. Kim, Min-Seok Park, Heon-Jung Kim, and Sung-Ik Lee
<br>Phys. Rev. Lett. 88, 227002(2002)  <br><br>

<li><b> Two-Band Superconductivity in MgB<sub>2</sub></b>
<br>M. Iavarone, G. Karapetrov, A. E. Koshelev, W. K. Kwok, G. W. Crabtree, and D. G. Hinks, W. N. Kang, E. M. Choi, H. J. Kim, H. J. Kim, and S. I. Lee
<br>Phys. Rev. Lett. 89, 187002(2002)  <br><br>

<li><b> Ferromagnetic properties of Zn<sub>1-x</sub>Mn<sub>x</sub>O epitaxial thin films</b>
<br>S.W. Jung, S.J. An, Gyu-Chul Yi, C. U. Jung, Sung-Ik Lee and Sunglae Cho
<br>Applied physics letters 80(24) 4561 (2002)  <br><br>

<li><b> Current-induced dendritic magnetic instability in superconducting MgB<sub>2</sub> films </b>
<br>A.V. Bobyl, D.V. Shantsev, T.H. Johansen, W.N. Kang, H.J. Kim, E.M. Choi, S.I. Lee 
<br>Applied physics letters 80(24) 4588 (2002)  <br><br>


<!------------------ prb -------------->

<li><b>Spectroscopic Evidence for Anisotropic S-Wave Pairing Symmetry in MgB<sub>2</sub></b>
<br> P.Seneor, C.T. Chen, N.C. Yeh, R. P. Vasquez, L.D. Bell, C. U. Jung, Min-Seok Park, Heon-Jung Kim, W. N. Kang, Sung-Ik Lee 
<br>Phys. Rev. B 65, 012505 (2002)  <br><br>

<li><b>Effect of pressure on the superconductivity and magnetism of Ho<sub>1-x</sub>Dy<sub>x</sub>Ni<sub>2</sub>B<sub>2</sub>C</b><br>
Jae-Hyuk Choi, Hyeonjin Doh, Eun-Mi Choi, and Sung-Ik Lee, M. Ohashi and N. Mo?ri
<br>Phys. Rev. B 65, 024520 (2002)  <br><br>

<li><b>Giant persistent currents in the open Aharonov-Bohm rings</b><br>
J. Yi, J. H. Wei, J. Hong, and S.-I. Lee
<br> Phys. Rev. B 65, 033305 (2002)  <br><br>

<li><b>Far-infrared transmission studies of c-axis oriented superconducting MgB<sub>2</sub> thin film</b><br>
J. H. Jung, K. W. Kim, H. J. Lee, M. W. Kim, T. W. Noh, W. N. Kang, Hyeong-Jin, Kim, Eun-Mi Choi, C. U. Jung, Sung-Ik Lee
<br> Phys. Rev. B 65, 052413 (2002) <br><br>

<li><b>Suppression of superconducting critical current density by small flux jumps in MgB<sub>2</sub> Thin Films</b>
<br> Z. W. Zhao, S. L. Li, Y. M. Ni, H. P. Yang, Z. Y. Liu, H. H. Wen, W. N. Kang, H. J. Kim, E. M. Choi, and S. I. Lee 
<br> Phys. Rev. B 65, 064512 (2002)  <br><br>

<li><b>Superconducting properties of well-shaped MgB<sub>2</sub> single crystal</b>
<br> Kijoon H. P. Kim, Jae-Hyuk Choi, C. U. Jung, P. Chowdhury, Hyun-Sook Lee, Min-Seok Park, Heon-Jung Kim, J. Y. Kim, Zhonglian Du, Eun-Mi Choi, Mun-Seog Kim, W. N. Kang, Sung-Ik Lee, Gun Yong Sung, Jeong Yong Lee 
<br>Phys. Rev. B 65, R100510 (2002) <br><br>

<li><b>Hall effect in c-axis-oriented MgB<sub>2</sub> thin films</b><br>
W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Kijoon H. P.Kim, H. S. Lee, and Sung-Ik Lee
<br>Phys. Rev. B 65, 134508 (2002) <br><br>

<li><b>Substitution for Cu in the electron-doped infinite-layer superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub> Ni kills superconductivity faster than Zn</b>
<br> C. U. Jung, J. Y. Kim, Min-Seok Park, Heon-Jung Kim, Mun-Seog Kim, Sung-Ik Lee.
<br>Phys. Rev. B 65, 172501 (2002) <br><br>

<li><b>Structural and superconducting properties of MgB<sub>2-x</sub>Be<sub>x</sub></b>
<br> J. S. Ahn, Young-Jin Kim, M.-S. Kim, S.-I. Lee and E. J. Choi
<br>Phys. Rev. B 65, 172503 (2002) <br><br>

<li><b> Universal scaling of the Hall resistivity in MgB<sub>2</sub> superconductors </b>
<br> W.N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Kijoon H.P. Kim, Sung-Ik Lee
<br> Phys. Rev. B 65, 184520 (2002) <br><br>

<li><b> Anisotropy of critical current density in c-axis-oriented MgB<sub>2</sub> thin films </b>
<br> Shashwati Sen, Ajay Singh, D. K. Aswal, S. K. Gupta, J. V. Yakhmi, and V. C. Sahni, Eun-Mi Choi, Hyeong-Jin Kim, Kijoon H. P. Kim, Hyun-Sook Lee, W. N. Kang, and Sung-Ik Lee
<br>Phys. Rev. B 65, 214521 (2002) <br><br>

<li><b> Complicated nature of the gap in MgB<sub>2</sub>: Magnetic-field-dependent optical studies </b>
<br> H. J. Lee, J. H. Jung, K. W. Kim, M. W. Kim, T. W. Noh, Y. J. Wang, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim and Sung-Ik Lee
<br>Phys. Rev. B 65, 224519 (2002) <br><br>

<li><b> Gap anisotropy, spin fluctuations, and normal-state properties of the electron-doped superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub></b>
<br>G. V. M. Williams, R. Dupree, A. Howes, S. Kra��mer, H. J. Trodahl, C. U. Jung, Min-Seok Park, and Sung-Ik Lee
<br> Phys. Rev. B 65, 224520 (2002) <br><br>

<li><b> Magnetization and Microwave Study of Superconducting MgB<sub>2</sub></b>
<br>A. Dulcic, D. Paar, M. Pozek, G. V. M. Williams, S. Kramer, C. U. Jung, Min-Seok Park, and Sung-Ik. Lee.
<br> Phys. Rev. B 66, 014505 (2002) <br><br>

<li><b> Mg as a main source for the diverse magnetotransport properties of MgB<sub>2</sub></b>
<br> K. H. Kim, J. B. Betts, M. Jaime, A. H. Lacerda, and G. S. Boebinger, C. U. Jung, Heon-Jung Kim, Min-Seok Park, and Sung-Ik Lee
<br> Phys. Rev. B 66, R020506 (2002) <br><br>

<li><b> Reflection of a two-gap nature in penetration-depth measurements of MgB<sub>2</sub> film </b>
<br>Mun-Seog Kim, John A. Skinta, and Thomas R. Lemberger, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi and Sung-Ik Lee
<br> Phys. Rev. B 66, 064511 (2002) <br><br>

<li><b> Energy gap, penetration depth, and surface resistance of MgB<sub>2</sub> thin films determined by microwave resonator measurements </b>
<br>B. B. Jin, N. Klein, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-Ik Lee, T. Dahm, and K. Maki 
<br> Phys. Rev. B 66, 104521 (2002) <br><br>

<li><b> I-V characteristic measurements to study the nature of the vortex state and dissipation
in MgB<sub>2</sub> thin films </b>
<br> S. K. Gupta, Shashwati Sen, Ajay Singh, D. K. Aswal, and J. V. Yakhmi, Eun-Mi Choi, Hyun-Jung Kim, Kijoon H. P. Kim, Seungje Choi, Hyun-Sook Lee, W. N. Kang, and Sung-Ik Lee
<br> Phys. Rev. B 66, 104525 (2002) <br><br>

<li><b> Equilibrium magnetization of Tl<sub>2</sub>Ba<sub>2</sub>CaCu<sub>2</sub>O<sub>8+��</sub> single crystals </b>
<br>Heon-Jung Kim, P. Chowdhury, In-Sun Jo, and Sung-Ik Lee 
<br> Phys. Rev. B 66, 134508  (2002) <br><br>

<li><b>Fluctuation study of the specific heat of Mg<sup>11</sup>B<sub>2</sub> </b>
<br>Tuson Park, Myron Salamon, C. U. Jung, Min-Seok Park , Kyung Hee Kim, and Sung-Ik Lee
<br> Phys. Rev. B 66, 134515  (2002) <br><br>

<li><b> Photoemission and x-ray absorption study of MgC<sub>1-x</sub>Ni<sub>3</sub> </b>
<br>J. H. Kim, J. S. Ahn, Jinsoo Kim, Min-Seok Park, S. I. Lee, E. J. Choi, and S.-J. Oh
<br> Phys. Rev. B 66, 172507  (2002) <br><br>

<li><b> Anisotropy of the upper critical field and critical current in single crystal MgB<sub>2</sub> </b>
<br> L. Lyard, P. Samuely, P. Szabo, T. Klein, C. Marcenat, L. Paulius, K. H. P. Kim, C. U. Jung, H.-S. Lee, B. Kang, S. Choi, S.-I. Lee, J. Marcus, S. Blanchard, A. G. M. Jansen, U. Welp, G. Karapetrov, and W. K. Kwok
<br> Phys. Rev. B 66, R180502 (2002) <br><br>

<li><b> Magnetic relaxation in Tl<sub>2</sub>Ba<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub> single crystals </b>
<br> P. Chowdhury, Heon-Jung Kim, In-Sun Jo, and Sung-Ik Lee
<br> Phys. Rev. B 66, 184509  (2002) <br><br>

<li><b> Microstructure and pinning properties of hexagonal-disc shaped single crystalline MgB<sub>2</sub> </b>
<br> C. U. Jung, J. Y. Kim, P. Chowdhury, K. H. P. Kim, S.-I. Lee, D. S. Koh, N. Tamura, W. A. Caldwell, and J. R. Patel
<br> Phys. Rev. B 66, 184519 (2002) <br><br>

<li><b> Anisotropy and reversible magnetization of the infinite-layer superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub> </b>
<br> M.-S. Kim, T. R. Lemberger, C. U. Jung, J.-H. Choi, J. Y. Kim, H.-J. Kim, and S.-I. Lee
<br> Phys. Rev. B 66, 214509 (2002) <br><br>

<!---------------physica c ------------->
<li><b>Synthesis and pinning properties of the infinite-layer superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub></b><br>
C. U. Jung, J. Y. Kim, Mun-Seog Kim, Min-Seok Park, Heon-Jung Kim, Yushu Yao, S. Y. Lee, and Sung-Ik Lee
<br>Physica C 366, 299 (2002) <br><br>

<li><b>Investigating the pairing state of cuprate superconductors via quasiparticle tunneling and spin injetion</b>
<br>N.-C, Yeh, C.-T. Chen, C.-C. Fu, P. Seneor, Z. Huang, C. U. Jung, J. Y. Kim, Min-Seok Park, Heon-Jung Kim, S.-I. Lee, K. Yoshida, S. Tajima, G. Hammerl, and J. Manhart
<br> Physica C. 367, 174 (2002) <br><br>

<li><b> Origin of dendritic flux patterns in MgB<sub>2</sub> films </b>
<br> M.Baziljevich, A.V.Bobyl, D.V.Shantsev, T.H.Johansen, S.I.Lee 
<br> Physica C 369, 93 (2002) <br><br>

<li><b> Negligible effect of grain boundaries on the supercurrent density in polycrystalline MgB<sub>2</sub></b>
<br> Kijoon H. P. Kim, W. N. Kang, Mun-Seog Kim, C. U. Jung, Hyeong-Jin Kim, Eun-Mi Choi, Min-Seok Park, Sung-Ik Lee 
<br> Physica C 370, 13 (2002) <br><br>

<li><b> Microwave measurement of energy gap and penetration depth of MgB<sub>2</sub> thin film </b>
<br> B.B.Jin, N.Klein, A.Pimenov, A.Loidl, S.I.Krasnosvobodtsev, W.N.Kang, Hyeong-Jin Kim, Eun-Mi Choi and Sung-IK Lee
<br> Physica C 372-376, 1283-1286(2002) <br><br>

<li><b> Effects of unreacted Mg impurities on the transport properties of MgB<sub>2</sub></b>
<br>C. U. Jung, H. -J. Kim, M. -S. Park, M. -S. Kim, J. Y. Kim, Z. Du, S. -I. Lee, K. H. Kim, J. B. Betts, M. Jaime et al.
<br>Physica C 377, 21 (2002) <br><br>

<li><b>Growth and transport properties of c-axis-oriented MgB<sub>2</sub> thin films</b>
<br>W.N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H.P. Kim, Sung-Ik Lee
<br>Physica C 378-381, 1246-1251 (2002) <br><br>


<!------------- etc ------------------------>
<li><b> Transport Properties of c-axis oriented MgB<sub>2</sub> Thin Films  </b>
<br> Hyeong-Jin Kim, W. N. Kang, Eun-Mi Choi, Kijoon H. P. Kim, and Sung-Ik Lee
<br> J. Korean Phys. Soc. 40, 416 (2002) <br><br>

<li><b> Fluctuation of Superconductivity in MgB<sub>2</sub></b>
<br>W. N. Kang, Kijoon H. P. Kim, Hyeong-Jin Kim, Eun-Mi Choi, Min-Seok Park, Mun-Seog Kim, Zhonglian Du, C. U. Jung , Kyung Hee Kim, Sung-Ik Lee and Mi-Ock Mun
<br> J. Korean Phys. Soc. 40, 949 (2002)  <br><br>

<li><b>Superconducting energy gap distribution in c-axis oriented MgB<sub>2</sub> thin film from point contact study </b>
<br>Yu. G. Naidyuk, I. K. Yanson, L. V. Tyutrina, N. L. Bobrov, P. N. Chubov, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-Ik Lee
<br>JETP Letters 75(5), 283-286 (2002) <br><br>

<li><b> Three-dimensional superconductivity in the infinite-layer compound Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub> in entire region below Tc </b>
<br>Mun-Seog Kim, C. U. Jung, J. Y. Kim, Jae-Hyuk Choi and Sung-Ik Lee
<br>Solid State Communications 123, 17(2002)  <br><br>

<li><b> Superconducting properties of c-axis oriented MgB2 thin films </b>
<br> W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi.Kijoon H.P. Kim and Sung-Ik Lee
<br> Sing. J. Phys.,  18, No. 1, 59-65 (2002)<br><br>

<li><b> Dendritic magnetic instability in superconducting MgB<sub>2</sub> films </b>
<br> T.H. Johansen, M. Baziljevich, D.V. Shantsev, P.E. Goa, Y.M. Galperin, W.N. Kang, H.J. Kim, E.M. Choi, M.-S. Kim, S.I. Lee 
<br> Europhys. Lett. 59(4), 599-605 (2002)  <br><br>

<li><b> High Pressure Synthesis of MgB2 and it's electronic and Magnetic Properties </b>
<br> C.U.Jung, Mun-Seog Kim and Sung-Ik Lee
<br> "Studies of High Temperature Superconductors Vol.38 : Superconducting Magnesium Diboride" Edited by Anant Narlikar, Nova Science Publishers, Inc &nbsp;&nbsp;   Chap. 23, P411-422 <br><br>

<li><b> Hall effect in electron-doped Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub>superconductors</b>
<br> Hyun-Jung Kim, W. N. Kang, Kijoon H.P. Kim, Sung-Ik Lee, S. Karimoto and M. Naito
<br> Progress in Superconductivity 4(1), 32-36 (2002)<br><br>

<li><b> Effects of Small Fields on the Magnetic Response of Superconducting Thin Films of MgB<sub>2</sub></b>
<br> W. A. C. Passos, P. N. Lisboa-Filho, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, and W. A. Ortiz
<br> Journal of Superconductivity: Incorporating Novel Magnetism, 15(5), 479-482 (2002/10)<br><br>

<li><b> Far-Infrared Carrier Dynamics in Superconducting MgB<sub>2</sub> </b>
<br> R.D.Averitt, J.Demsar, D.W.Reagor, A.J.Taylor, W.N.Kang, H.J.Kim, E.M.Choi, S.I.Lee
<br> Ultrafast Phenomina XIII &nbsp;Proceedings of the 13th International Conference (2002) <br><br>

<li><b>Mg as a Main Source for the Diverse Magnetotransport Properties of MgB2</b>
<br>K.H. Kim, J.B. Betts, M. Jaime, A.H. Lacerda, G.S. Boebinger, C.U. Jung, Kim H.-J., Kim M.-S., J.Y. Kim, Z. Du, Lee S.-I. 
<br>Inernational Journal of Modern Physics B 16, 3185-3188 (2002) <br><br>
  
<li><b>NATO Science Series #67 pp.225-234(2002) : New Trends in Superconductivity </b><BR>by James F. Annett and Sergei Kruchinin &nbsp;ISBN: 1402007043  
<br>Superconducting gap and electron-phonon interaction in MgB<sub>2</sub> thin film studied by point contacts 
<br>N.L. Bobrov, P.N. Chubov, Yu.G. Naidyuk, L.V. Tyutrina, I.K. Yanson, W.N. Kang, Hyeong-jin Kim, Eun-Mi Choi and Sung-Ik Lee 
   
</ol>


== 2001 ==
<ol>
<li><b>MgB<sub>2</sub> superconducting thin films with a transition temperature of 39 Kelvin</b>
<br> W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, C. U. Jung, Sung-Ik Lee
<br> <b><i>Science 292 1521-1523 (2001/05/25)</i></b><br>
[http://dx.doi.org/10.1126/science.1060822 Abstract]<br><br>

<li><b>High current-carrying capability in c-axis-oriented superconducting MgB<sub>2</sub>thin films</b><br>
Hyeong-Jin Kim, W. N. Kang, Eun-Mi Choi, Mun-Seog Kim, Kijoon H.P. Kim, Sung-Ik
Lee
<br>Phys. Rev. Lett. 87(8), 087002 (2001/8/3)  <br><br>

<li><b> Optical Properties of c-Axis Oriented Superconducting MgB<sub>2</sub> Films</b>
<br> J. J. Tu, G. L. Carr, V. Perebeinos, C. C. Homes, M. Strongin, P. B. Allen,
W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, and Sung-Ik Lee 
<br> Phys. Rev. Lett 87(27), 277001(4) (2001/12/11) <br><br>

<li><b>Effect of sintering temperature under high pressure in the uperconductivity for MgB<sub>2</sub></b>
<br>C. U. Jung, Min-Seok Park, W. N. Kang, Mun-Seog Kim, Kijoon H. P. Kim, S. Y. Lee, Sung-Ik Lee
<br> Appl. Phys. Lett 78(26) 4157(3) (2001/6/25)   <br><br>

<li><b>Hole carrier in MgB<sub>2</sub> characterized by Hall Measurements</b>
<br>W. N. Kang, C. U. Jung, Kijoon H. P. Kim, Min-Seok Park, S. Y. Lee, 
Hyeong-Jin Kim, Eun-Mi Choi, Kyung Hee Kim, Mun-Seog Kim, Sung-Ik Lee
<br>Applied Phycics Letter 79(7), 982(3) (2001/8/13)<br><br>


<!------------------------ prb -------------------->
<li><b>Evidence for nonexistence of superconductivity in an isolated CuO2 bilayer</b> 
<br>Mun-Seog Kim, Jae-Hyuk Choi and Sung-Ik Lee
<br>Phys. Rev. B 63(9) 092507(4) (2001/2/12) <br><br>

<li><b>Vortex Interaction in a finite-sized array of Josephson junctions</b>
<br>J. Yi and Sung-Ik Lee
<br>Phys. Rev. B 63(13) 132501(4) (2001/3/5) <br><br>

<li><b>Two-dimensional nature of four-layer cuprate superconductors</b>
<br>Mun-Seog Kim, C. U. Jung and Sung-Ik Lee, A.Iyo
<br>Phys. Rev. B 63(13) 134513(5) (2001/3/7) <br><br>

<li><b>Magnetism and superconductivity in Y<sub>1-x</sub>Tb<sub>x</sub>Ni<sub>2</sub>B<sub>2</sub>C single crystals</b>
<br>B.K.Cho, H.B.Kim and Sung-Ik Lee
<br>Phys. Rev. B 63(14), 144528(7) (2001/3/23)   <br><br>

<li><b>Prominent bulk pinning effect in the MgB<sub>2</sub> superconductor</b>
<br>Mun-Seog Kim, C. U. Jung, Min-Seok Park, S. Y. Lee, Kijoon H. P. Kim, W N. Kang, Sung-Ik Lee
<br>Phys. Rev. B 64(1) 012511(4) (2001/6/15)  <br><br>

<li><b>X-ray Photoemission Study of MgB<sub>2</sub></b> <br>
 R. P. Vasquez, C. U. Jung, Min-Seok Park, Heon-Jung Kim, J. Y. Kim, Sung-Ik Lee
<br>Phys. Rev. B 64(5), 052510(4) (2001/7/16)   <br><br>

<li> <b>Magnetic relaxation and critical current density of MgB2 thin films</b>
<br>H. H. Wen, S. L. Li, Z. W. Zhao, H. Jin, and Y. M. Ni
W. N. Kang, Hyeong-JIn Kim, Eun-Mi Choi, and S. I. Lee
<br>Phys. Rev. B 64(13), 134505(5) (2001/8/29) <br><br>


<!------------------- physica C -------------------->
<li><b>Temperature-and magnetic-field-dependent resistivity of MgB<sub>2</sub> sintered at high-temperature and high-pressure condition</b>
<br>C. U. Jung, Min-Seok Park, W. N. Kang, Mun-Seog Kim, S. Y. Lee, Sung-Ik Lee
<br>Physica C 353 162-166 (2001/5/15) <br><br>

<li><b>High-pressure synthesis of the homogeneous infinite-layer superconductor
Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub></b>
<br>C. U. Jung, J. Y. Kim, S. M. Lee, Mun-Seog Kim, Yushu Yao, S. Y. Lee, Sung-Ik Lee, and D. H. Ha
<br>Physica C 364-365, 225-227(2001/11/1) <br><br>

<li><b>Superconductivity of Four-layer HgBa<sub>2</sub>Ca<sub>3</sub>Cu<sub>4</sub>O<sub>10+d</sub></b>
<br>Mun-Seog Kim, C. U. Jung and Sung-Ik Lee
<br>Physica C 364-365, 228-231(2001/11/1)  <br><br>

<li><b>Optical Phonons of Superconducting Infinite-Layer Compounds Sr<sub>0.9</sub>Ln<sub>0.1</sub>CuO<sub>2</sub>(Ln = La and Sm)</b>
<br>Mi-Ock Mun, Young Sub Roh, Jae Hoon Kim, C. U. Jung, J. Y. Kim, and Sung-Ik Lee
<br>Physica C 364-365, 629-631(2001/11/1)  <br><br>



<!---------------------- etc ---------------------->
<li><b>Evidence for electron-doped(<i>n</i>-type) superconductivity in the infinite-layer (Sr<sub>0.9</sub>La<sub>0.1</sub>)CuO<sub>2</sub> compound by X-ray absortion near-edge spectroscopy</b>
<br>R.S.Liu, J.M.Chen, P.Nachimuthu, R.Gundakaram, C.U.Jung, J.Y.Kim, S.I.Lee
<br>Solid State Comm. 118(7) 367-370 (2001/5/22) <br><br>

<li><b>Dendritic flux patterns in MgB<sub>2</sub> films</b><br>
 T. H. Johansen, M . Basiljevich, D. V. Shantsev, P. E. Goa,
 Y. M. Galperin, W. N. Kang, H. J. Kim, E. M. Choi. M-S Kim and S. I. Lee
<br>Supercond. Sci. Technol. 14, 726-728 (2001/9)   <br><br>

<li><b>High-resolution transmission electron microscopic observation of highly dense MgB<sub>2</sub> Superconductors</b>
<br> Gun Yong Sung, Sang Hyeob Kim, and Junho Kim,  Dong Chul Yoo, Ju Wook Lee, and Jeong Yong Lee,  C. U. Jung, Min-Seok Park, W. N. Kang, Du Zhonglian, and Sung-Ik Lee
<br>Supercond. Sci. Technol. 14, 880-883 (2001/9/25)   <br><br>

<li><b>Anisotropic superconductivity in epitaxial MgB<sub>2</sub> films</b><br> 
M. H. Jung,  M. Jaime, A. H. Lacerda, G. S. Boebinger, W. N. Kang, Hyeong-Jin. Kim, Eun-Mi Choi, and Sung-Ik Lee
<br>Chem. Phys. Lett. 343, 447-451 (2001/8/10)  <br><br>

<li><b>X-ray photoemission study of the infinite-layer cuprate superconductor Sr0 9La0 1CuO2</b><br>
R P Vasquez, C U Jung, J Y Kim, Min-Seok Park, Heon-Jung Kim and Sung-Ik Lee
<br>J. Phys.: Condens. Matter 13, 7977-7985 (2001/8/16) <br><br>

<li><b>Optical properties of <i>R</i>Ni<sub>2</sub>B<sub>2</sub>C (R=Y, Lu, Ho,Er) Intermetallic Borocarbide superconductors</b>
<br>Mi-Ock Mun, Young Jin KIm, Young Keun Yoon, Hanjee Park, Jae Hoon Kim, Sung-Ik Lee and B.K.Cho
<br>Journal of the Korean Physical Society 39(2), 406-408(2001/8) <br><br>

<li><b>Synthesis and characterization of the infinite-layer superconductor Sr<sub>0.9</sub>La<sub>0.1</sub>CuO<sub>2</sub></b>
<br>C. U. Jung, J. Y. Kim, Mun-Seog Kim, S. Y. Lee, Sung-Ik Lee, and D. H. Ha
<br>Current Applied Physics 1(2-3), 157-161(2001/8)  <br><br>

<li><b> High-pressure sintering of highly dense of MgB<sub>2</sub> and its unique pinning properties</b>
<br> C.U. Jung, Min-Seog Park, Mun-Seog Kim, Jae-Hyuk Choi, W.N. Kang, Kijoon H.P. Kim, Sung-Ik Lee
<br>Current Applied Physics 1(4-5), 327-331 (2001/11/1) <br><br>

<li><b>Penetration depth measurements in HoNi<sub>2</sub>B<sub>2</sub>C: competition between superconducting and magnetic order</b>
<br>Elbert E. M. Chia, I. Bonalde, Brian D. Yanoff, D. J. Van Harlingen, M. B. Salamon, Sung-Ik Lee and Heon Jung Kim
<br> Journal of Magnetism and Magnetic Materials 226-230, 301-303(2001/5)  <br><br>

<li><b>Specific Heat of Field-dependent Magnetic Orderings in HoNi<sub>2</sub>B<sub>2</sub>C</b>
<br>Jae-Hyuk Choi, Hyeonjin Doh, Eun-Mi Choi, Heon-Jung Kim, Sung-Ik Lee, Tatsuharu Yamamoto, Tatsuya Kawae, and Kazuyoshi Takeda
<br> Journal of the Physical society of Japan 70(10), 3037-3041 (2001/10) <br><br>

<li><b>Discovery of New Superconductor, Magnesium Diboride (MgB<sub>2</sub>)</b>
<br> Sung-Ik Lee, Jae-Hyuk Choi
<br> APCTP Bulletin 7-8, 13 (2001)  <br><br>

<li><b>Domination of glassy and fluctuation behavior over thermal activation in vortex state in MgB<sub>2</sub> thin film </b>
<br> Heon-Jung Kim, Won Nam Kang, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H. P. Kim, Sung-Ik Lee, Mi-Ock Mun
<br> Progress in Superconductivity 3(1), 23-27 (2001/10/31)<br><br>

<li><b>Temperature and magnetic field dependent optical properties of superconducting MgB<sub>2</sub> thin film</b>
<br> J.H. Jung, H.J. Lee, K.W. Kim, M.W. Kim, T.W. Noh, Y.J. Wang, W.N. Wang, C.U. Jung, Sung-Ik Lee
<br> Progress in Superconductivity 3(1), 31-35 (2001/10/31) <br><br>

</ol>

== 2000 ==

<ol>

<li><b> Suppression of ferromagnetic ordering in doped manganites:Effects of the superexchange interaction</b>
<br> Hongsuk Yi, Jaejun Yu, and Sung-Ik Lee 
<br> Phys. Rev. B 61, 428-431 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb61p428.pdf" target=top>full text </a> --><br><br>

<li><b> Triple sign reversal of Hall effect in HgBa<sub>2</sub>CaCu<sub>2</sub>O<sub>x</sub> thin films after heavy-ion irradiations </b>
<br> W.N. Kang, B.W. Kang, Q.Y. Chen, Z.J. Wu, Y. Bai, W.K. Chu, D.K. Christen, R. Kerchner, and Sung-Ik Lee 
<br> Phy. Rev. B 61, 722-726 (2000)&nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb61p722.pdf" target=top>full text </a>--> <br><br>

<li><b> Vortex phase diagram of HgBa2Ca2Cu3O8 thin films from magnetoresistance measurements </b>
<br> Wan-Seon Kim, W. N. Kang, Mun-Seog Kim, and Sung-Ik Lee
<br> Phys. Rev. B 61(17), 11317-11320 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb61p11317.pdf" target=top>full text </a>--><br><br>

<li><b> Capacitively coupled Josephson-junction chains: straight versus and slanted coupling</b>
<br> Mahn-Soo Choi, M. Y. Choi, Sung-Ik Lee 
<br> J.Phys.:Condensed Matter 12(6), 943-957&nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/jphy12p943.pdf" target=top>full text </a>--><br><br>

<li><b> Magnetization Study of organic superconductor k-(BEDT-TTF)<sub>2</sub>Cu(NCS)<sub>2</sub> </b>
<br> Hyeong-Jin Kim, Jae-Hyuk Choi, Mun-Seog Kim, Sung-Ik Lee, Jin-Tae Kim
<br> Physica C 331, 292-296 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc331p292.pdf" target=top>full text </a>--><br><br>

<li><b> Vortex Structure and dynamics in YNi2B2C single crystal by B11 NMR</b>
<br> K.H. Lee, B.J. Mean, G.S. Go, S.W. Seo, K.S.Han, D.H. Kim, Moohee Lee, B.K. Cho, and Sung-Ik Lee
<br> Phys. Rev. B 62(1), 123-126 (2000) &nbsp; &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb62p123.pdf" target=top>full text </a>--><br><br>

<li><b> Hall angle and vortex phases in HgBa2Ca2Cu3O8 thin films</b>
<br> Wan-Seon Kim, W. N. Kang, Mun-Seog Kim, Sung-Ik Lee, S. J. Oh, Chang Ho Choi, and H.-C. Ri 
<br> Phys. Rev. B 62(5), 3037-3039 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb62p3037.pdf" target=top>full text </a>--><br><br>

<li><b> 11B NMR measurement of vortex dynamics in YNi2B2C</b>
<br> K.H. Lee, B.J. Mean, S.W. Seo, K.S.Han, D.H. Kim, Moohee Lee, B.K. Cho, Sung-Ik Lee, and W.C. Lee
<br> Physica B 284-288, 709 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyb284p709.pdf" target=top>full text </a>--><br><br>

<li><b> Level Mixing in free-electron systems for Aharonov-Bohm geometries without disorder</b>
<br> J. Yi and Sung-Ik Lee
<br> Phys. Rev. B 62(7), 4222-4225 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb62p4222.pdf" target=top>full text </a>--><br><br>

<li><b> Quantum description of a Josephson junction coupled to a charge-density wave</b>
<br> J. Yi, Sung-Ik Lee 
<br> Phys. Rev. B 62(15), 9892-9895 (2000)&nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/prb62p9892.pdf" target=top>full text </a>--><br><br>

<li><b> Anomalous Strain Relief and Physical Properties of La0.5Ca0.5MnO3 Films</b>
<br> Crystal Choi, Dong-Wook Kim, Dae Ho Kim, Ki-Deung Lim, T. W. Noh, C. U. Jung, Sangjun Oh, and K. -B. Lee
<br> J. Korean Phys. Soc. 36(6), 425-429 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/jkp36p425.pdf" target=top>full text </a>--><br><br>

<li><b> Study of the superconducting gap in RNi<sub>2</sub>B<sub>2</sub>C (R=Y,Lu) single crystals by the lastic light scattering</b>
<br> In-Sang Yang, M.V.Klein, S.L.Cooper, P.C.Canfield, B.K.Cho and Sung-Ik Lee
<br> Phys. Rev. B 62(2), 1291-1295 (2000) &nbsp; &nbsp; &nbsp;
  <!--<a href="2000papers/prb62p1291.pdf" target=top>full text </a>--><br><br>

<li><b> Suppression of thermal fluctuation and improvement of the irreveribility line by Sr substitution in  Hg<sub>0.7</sub>Pb<sub>0.3</sub>Ba<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>y</sub> superconductor</b>
<br> Yi Zhou, C.U. Jung, Jae-Hyuk Choi, Mun-Seog Kim, N.P. Kiryakov, M.S. Kuznetsov, Sergey Lee and Sung-Ik Lee 
<br> Physica C 341-348, 1375-1376 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p1375.pdf" target=top>full text </a>--><br><br>

<li><b> Superconducting and magnetic properties of Hg-1234, Cu-1234 and BC-1223 superconductors with T<sub>c</sub> above 115K </b>
<br> Sung-Ik Lee, Mun-Seog Kim, and A.Iyo 
<br> Physica C 341-348, 379-382 (2000)&nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p379.pdf" target=top>full text </a>--><br><br>

<li><b> <sup>139</sup>La and <sup>63</sup>Cu NQR in Zn=-doped Lanthanum cuprate</b>
<br> B.J. Suh, F. Borsa, Z.H. Jang, Y. Zhuo and S.-I.Lee 
<br> Physica C 341-348, 387-390 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p387.pdf" target=top>full text </a>--><br><br>

<li><b> Iodine intercalation effect on the critical fluctuation of Bi-2212 single crystal</b>
<br> Jin-Tae Kim, M.-S. Kim, S.H. Chung, D.H.Ha, Sung-Ik Lee, Y.K. Park, J.-C. Park 
<br> Physica C 341-348, 645-646 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p645.pdf" target=top>full text </a>--><br><br>

<li><b> Superconducting properties of k-(BEDT-TTF)<sub>2</sub>Cu(NCS)<sub>2</sub> organic superconductor from reversible magnetization</b>
<br> Hyeong-Jin Kim, Jae-Hyuk Choi, Mun-Seog Kim, Sung-Ik Lee and Jin-Tae Kim 
<br> Physica C 341-348, 745-746 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p745.pdf" target=top>full text </a>--><br><br>

<li><b> The persistent current in frustrated Hubbard model</b>
<br> Hyeonjin Doh, Juyeon Yi and Sung-Ik Lee
<br> Physica C 341-348, 765-766 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p765.pdf" target=top>full text </a>--><br><br>

<li><b> Mixed-state Hall effect in Hg- and Tl-based superconducting films containing columnar defects</b>
<br> W.N. Kang , Wan-Seon Kim, Sung-Ik Lee, B.W.Kang, J.Z. Wu, Q.Y. Chen, W.K. Chu and C.W Chu
<br> Physica C 341-348, 1235-1236 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p1235.pdf" target=top>full text </a>--><br><br>

<li><b> Critical dynamics of a superconducting HgBa<sub>2</sub>CaCu<sub>2</sub>O<sub>6+delta</sub></b>
<br> Jin-Tae Kim, W.N. Kang, S.H. Chung, Sung-Ik Lee, Y.K. Park and J. -C. Park 
<br> Physica C 341-348, 1245-1246 (2000) &nbsp; &nbsp; &nbsp;
  <!--<a href="2000papers/phyc341p1245.pdf" target=top>full text </a>--><br><br>

<li><b> Local field distribution in YNi<sub>2</sub>B<sub>2</sub>C superconductor</b>
<br> D. H. Kim, K. H. Lee, S. W. Seo, K. S. Han, B. J. Mean, Moohee Lee, B. K. Cho and S. I. Lee
<br> Physica C 341-348, 2137-2138 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p2137.pdf" target=top>full text </a>--><br><br>

<li><b> Infrared and Optical Properties of Single-Crystal YNi<sub>2</sub>B<sub>2</sub>C Superconductor</b>
<br> Jae Hoon Kim, Hanhee Paik, Mi-Ock Mun, B.K Cho, H.B. Kim and Sung-Ik Lee
<br> Physica C 341-348, 2233-2234 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/phyc341p2233.pdf" target=top>full text </a>--><br><br>

<li><b>Mixed-state Hall Angle in Hg-based Superconducting Thin Films </b>
<br> Won Nam Kang, Wan-Seon Kim, and Sung-Ik Lee
<br> Progress in Superconductivity 2, 39-42 (2000) &nbsp; &nbsp; &nbsp; 
  <!--<a href="2000papers/kss2p39.pdf" target=top>full text </a>--><br><br>


</ol>

== 1999 ==

<ol>
<li><b> Coexistence of antiferromagnetic and ferromagnetic phase for ferromagnetic Kondo lattice model</b>
<br> H. Yi, J. Yu, Sung-Ik Lee
<br> The European Physical Journal B, 7, 509-512 (1999) &nbsp; &nbsp; &nbsp;
  <!--<a href="1999papers/epj7p509.pdf" target=top> abstract</a> --><br><br>

<li><b> Oxygen annealing and superconductivity of HgBa<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>8+y</sub> thin films</b>
<br> W.N. Kang, Sung-Ik Lee, and C.W. Chu
<br> Physica C 315, 223-226 (1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/phyc315p223.pdf" target=top>full text </a>--><br><br>

<li><b> The mixed state properties of superconducting YNi<sub>2</sub>B<sub>2</sub>C</b>
<br> Mi-Ock Mun, B.K.Cho, Sung-Ik Lee, P.C.Canfield, and D.C.Johnston
<br> Physica B 259-261, 599-600 (1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/phyb259p599.pdf" target=top>full text </a>--><br><br>

<li><b> Effect of Coulomb repulsion and magnetic frustration on persistent currents in the Hubbard mode</b>
<br> J. Yi, Hyeonjin Doh, and Sung-Ik Lee 
<br> Phy. Rev. B. 59(19), 12192-12195 (1999)&nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/prb59p12192.pdf" target=top>full text </a>--><br><br>

<li><b> Monte Carlo study of the magnetic phase diagram of a double-exchange model with the background superexchange interaction</b>
<br> Hongsuk Yi and Sung-Ik Lee
<br> Phy. Rev. B. 60(9), 6250-6253 (1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/prb60p6250.pdf" target=top>full text </a>--><br><br>

<li><b> Temperature-scaling behavior of the Hall conductivity for Hg-based superconducting thin films</b>
<br> Wan-Seon Kim, W. N. Kang, S. J. Oh, Mun-Seog Kim, Yujoung Bai, Sung-Ik Lee, Chang Ho Choi, and H.-C. Ri
<br> Physica C, 324(2), 77-82 (1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/phyc324p77.pdf" target=top>full text </a>--><br><br>

<li><b> Effects of Sr substitution on dimensionality and superconducting properties of Hg<sub>0.7</sub>Pb<sub>0.3</sub>Ba<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>y</sub></b>
<br> Yi Zhuo, Su-Mi Oh, Jae-Hyuk Choi, Mun-seog Kim, Sung-Ik Lee, N. P. Kiryakov, M. S. Kuznetsov and Sergey Lee
<br> Phy. Rev. B. 60(18), 13094-13098 (1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/prb60p13094.pdf" target=top>full text </a>--><br><br>

<li><b> Phenomenological Theory of Superconductivity and Magnetism in Ho<sub>(1-x)</sub>Dy<sub>x</sub>Ni<sub>2</sub>B<sub>2</sub>C </b>
<br> Hyeonjin Doh, Manfred Sigrist, B.K. Cho, Sung-Ik Lee 
<br> Phys. Rev. Lett. 83(25), 5350-5353 (1999)&nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/prl83p5350.pdf" target=top>full text </a>--><br><br>

<li><b> Critical dynamics of superconducting Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub> single crystal</b>
<br> Jin-Tae Kim, S. H. Jung, D. H. Ha, K. H. Yoo, Y. K. Park, J. C. Park, M. S. Kim, Sung-Ik Lee 
<br>IEEE transaction on Magnetics, 35, 4082(1999) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/iee35p4082.pdf" target=top>full text </a>--><br><br>

<li><b> Vortex dynamics in YNi<sub>2</sub>B<sub>2</sub>C single crystal by <sup>11</sup>B NMR </b>
<br> K.H. Lee, B.J.Mean, S.W.Seo, K.S.Han, D.H.Kim, Moohee Lee, S.I.Lee, and B.K. Cho 
<br> Int. J. Mod. Phys. B 13, 3682 (1999)&nbsp; &nbsp; &nbsp; 
  <!--<a href="1999papers/ijmpb13p3682.pdf" target=top>full text </a>--><br><br>

<li><b> Effect of weak interlayer coupling on critical fluctuation in high T<sub>c</sub> superconductors</b>
<br> Jin-Tae Kim, W.N. kang, S.H. Chung, D.H. Ha, K.H. Yoo, M.S. Kim, Sung-Ik Lee, Y.K. Park, J.C. Park 
<br> Progress in superconductivity 1, 1-8 (1999)&nbsp; &nbsp; &nbsp;
  <!--<a href="1999papers/kss1p1.pdf" target=top>full text </a>--><br><br>

</ol>

== 1998 ==

<ol>
<li><b> Quantum Phase Transitions in Josephson Junction chains</b>
<br> Mahn Soo Choi, J. Yi, M.Y. Choi, J. Choi, Sung-Ik Lee 
<br> Phy.Rev.B, 57(2) R716-R719 (1998)&nbsp; &nbsp; &nbsp; 
  <!--<a href="1998papers/prb57pr716.pdf" target=top>full text </a>--><br><br>

<li><b> Dissipative dynamics of quantum vortices in superconducting arrays</b>
<br> M. S. Choi, Sung-Ik Lee, M. Y. Choi
<br> Phy.Rev.B, 57(5), 2720-2723 (1998) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1998papers/prb57p2720.pdf" target=top>full text </a>--><br><br>

<li><b> Enhanced anisotropic nature of HgBa<sub>2</sub>Ca<sub>3</sub>Cu<sub>4</sub>O<sub>10+d</sub></b>
<br> Mun-Seog Kim, Sung-Ik Lee, Seong-Cho Yu, Irina Kuzemskaya, Efilm. S. Itskevich, and K. A.Lokshin
<br> Phys. Rev. B 57(10), 6121-6125 (1998) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1998papers/prb57p6121.pdf" target=top>full text </a>--><br><br>

<li><b> Interlayer coupling and superconducting properties of the triple-layer compound B<sub>0.6</sub>C<sub>0.4</sub>(Sr<sub>0.25</sub>Ba<sub>0.75</sub>)<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>9</sub></b>
<br> Mun-Seog Kim, Sung-Ik Lee,&nbsp; A. Iyo, K. Tokiwa, M. Tokumoto, and H. Ihara
<br> Phys. Rev. B 57(14), 8667-8670 (1998) &nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/prb57p8667.pdf" target=top>full text </a>--><br><br>

<li><b> Magnetic field effect on the transport properties of quaternary intermetallic superconductor YNi<sub>2</sub>B<sub>2</sub>C</b>
<br> Mi-Ock Mun, Sung-Ik Lee, and B.K.Cho
<br> Chinese Journal of Physics 36, 324(1998) </a>
<br><br>

<li><b> Study of the local environment of apical oxygens in (Hg<sub>0.7</sub>Cr<sub>0.3</sub>)Sr<sub>2</sub>CuO<sub>4</sub></b>
<br> Su-Young Lee, In-Sang Yang, B.-D.Chung, Jae-Hyuk Choi, Sung-Ik Lee, and Nam H.Hur
<br> New Physics 38(2), 115-120 (1998)
<br><br>

<li><b> Determination of the precise upper critical field of YNi2B2C superconductor</b>
<br> Mi-Ock Mun, Mun-Seog Kim, Sung-Ik Lee, B.K. Cho, In-Sang Yang, W.C. Lee and P.C. Canfield
<br> Physica C 303, 57-59 (1998)</b> &nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/phyc303p57.pdf" target=top>full text </a>--><br><br>

<li><b> Flux Pinning Behavior and the Interlayer Coupling of the Hg<sub>0.7</sub>Cr<sub>0.3</sub>Sr<sub>2</sub>CuO<sub>4+d</sub> Superconductor</b>
<br> Jae-Hyuk Choi, Mun-Seog Kim, Sung-Ik Lee, Su-Young Lee, In-Sang Yang, J.V. Yakhmi, J.B. Mandal, B. Bandyopadhyay and B. Ghosh 
<br> Phy.Rev.B, 58(1), 583-543, (1998) &nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/prb58p583.pdf" target=top>full text </a>--><br><br>

<li><b> Current responses and voltage fluctuations in Josephson-junction systems</b>
<br> Mahn-Soo Choi, M. Y. Choi, and S.-I Lee 
<br> Europhys. Lett. 43 (4), 439-444 (1998)&nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/ephy43p439.pdf" target=top>full text </a>--><br><br>

<li><b> Effect of Sr substitution on irreversibility line, lattice dynamics and formation of Hg,Pb-1223 superconductors</b>
<br> Sergey Lee, N.P. Kiryakov, D.A. Emelyanov, M.S. Kuznetsov, Yu.D. Tretyakov, V.V. Petrykin, M. Kakihana, H. Yamauchi, Yi Zhuo, Mun-Seog Kim, Sung-Ik Lee
<br> Physica C 305(1-2), 57-67 (1998) &nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/phyc305p57.pdf" target=top>full text </a>--><br><br>

<li><b> Quantum Phase Transitions and Current Drag Effects in Capacitively Coupled Two-Dimensional Josephson-Junction Arrays</b>
<br> Mahn-Soo Choi 
<br> J Phys-Condens Mat 10 (43), 9783-9789 (1998)&nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/jphy10p9783.pdf" target=top>full text </a>--><br><br>

<li><b> Cotunneling Transport and Quantum Phase Transitions in Coupled Josephson-Junction Chains with Charge Frustration </b>
<br> Mahn-Soo Choi, M.Y. Choi, Taeseung Choi, and Sung-Ik Lee 
<br> Phys. Rev. Lett. 81 (19), 4240-4243 (1998) &nbsp; &nbsp; &nbsp; 
  <!--<a href="1998papers/prl81p4240.pdf" target=top>full text </a>--><br><br>

<li><b> Quantum phase transition in superconducting arrays under external magnetic fields</b>
<br> Beom Jun Kim, Gun Sang Jeon, Mahn-Soo Choi, and M. Y. Choi
<br> Phys. Rev. B 58 (21), 14524-14530 (1998) &nbsp; &nbsp; &nbsp;
  <!--<a href="1998papers/prb58p14524.pdf" target=top>full text </a>--><br><br>

</ol>

== 1997 ==

<ol>

<li> <b>Comparison of the Magnetization Behavior of Ni- and Co-doped YBa<sub>2</sub>Cu<sub>3-x</sub>M<sub>x</sub>O<sub>7-y</sub> (M = Ni, Co) Single Crystals</b>  <a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-2.html">(Abstracts) </a>
<br> Jae-Hyuk Choi, Jin-Nam Park, Mun-Seog Kim, Sung-Ik Lee, Jin-Tae Kim and W. C. Lee 
<br> Journal of Korean Physics Society, Vol. 31. No. 1, 5-8 (1997)<br><br>

<li> <b>Study of Irreversibility Line of Y<sub>1-x</sub>Pr<sub>x</sub>Ba<sub>2</sub>Cu<sub>3</sub>O<sub>7-y</sub> Single Crystal</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-3.html">(Abstracts) </a>
<br> Yi Zhuo, Jin-Nam Park, Myoung-Kwang Bae and Sung-Ik Lee 
<br> Journal of Korean Physics Society, Vol. 31. No. 1, 9-11 (1997)<br><br>

<li><b> Growing Mechanism of Bi(Pb)-Sr-Ca-Cu-O Whiskers </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-4.html">(Abstracts) </a>
<br> Wan-Seon Kim, Ki-Jeong Kwon, Sergey Lee and Sung-Ik Lee 
<br> Journal of Korean Physics Society, Vol. 31. No. 1, 52-55 (1997)<br><br>

<li><b> The Effects of d<sub>x<sup>2</sup>-y<sup>2</sup></sub>d<sub>xy</sub> Mixing on Vortex Structures and Magnetization </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-5.html"> (Abstracts) </a>
<br> Mahn-Soo Choi and Sung-Ik Lee 
<br> Journal of Physics, Condensed Matter 9, 211-218 (1997)<br><br>

<li> <b>Thermodynamic properties of YBa<sub>2</sub>Cu<sub>3</sub>O<sub>8</sub> crystal near upper critical field H<sub>c2</sub>(T)</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-6.html">(Abstracts) </a>
<br> Mun-Soeg Kim, Wan-Seon Kim, Sung-Ik Lee, Seong-Cho Yu, Jin-Tae Kim and B. Dabrowski 
<br> J APPL PHYS, Vol. 81, No. 8, 4231-4233 (1997)<br><br>

<li><b>Thermodynamic properties of Hg<sub>0.8</sub>Pb<sub>0.2</sub>Ba<sub>1.5</sub>Sr<sub>0.5</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> deduced from various magnetic phenomana  </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-7.html">(Abstracts)</a> 
<br> Yi Zhou, Jae-Hyuk Choi, Mun-Seog Kim, Wan-Seon Kim, Z. S. Lim, Sung-Ik Lee, and Sergy Lee 
<br> Physical Review B, Vol. 55, No. 18, 12719-12724 (1997)<br><br>

<li><b> Effects of Pr ion on the superconducting properties in Y<sub>1-x</sub>Pr<sub>x</sub>Ba<sub>2</sub>Cu<sub>3</sub>O<sub>7-y</sub> single crystals</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-8.html"> (Abstracts)</a>
<br> Yi Zhou, Jae-Hyuk Choi, Mun-Seog Kim, Jin-Nam Park, Myoung-Kwang Bae, Sung-Ik Lee 
<br> Physical Review B, Vol. 56, 8381 (1997)<br><br>

<li><b> Various Vortex Phase Transition in a Weakly Disordered Superconductor YNi<sub>2</sub>B<sub>2</sub>C Single Crystal </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-9.html"> (Abstracts)</a>
<br> Sung-Ik Lee, Mi-Ock Mun, W. C. Lee, P. C. Canfield, B. K. Cho, and D. C. Jhonston 
<br> Physica C, 282-287, 2061-2062 (1997)<br><br>

<li><b>Vortex fluctuation in HgBa<sub>2</sub>Ca<sub>3</sub>Cu<sub>4</sub>O<sub>10+y</sub></b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-10.html"> (Abstracts)</a>
<br> Mun-Seog Kim, Wan-Seon Kim, Sung-Ik Lee, Seong-Cho Yu, Itskevich and  Irina Kuzemskaya
<br> Physica C, 282-287, 1987-1988 (1997)<br><br>

<li><b>The effect of Pr ion concentration on superconducting parameters in  Y<sub>1-x</sub>Pr<sub>x</sub>Ba<sub>2</sub>Cu<sub>3</sub>O<sub>7-y</sub> Single Crystals</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-11.html"> (Abstracts)</a>
<br> Yi Zhou, Jae-Hyuk Choi, Mun-Seog Kim, Jin-Nam Park, Myoung-Kwang Bae, Sung-Ik Lee, Ze Xianyu, W. C. Lee 
<br> Physica C, 282-287, 1293-1294 (1997)<br><br>

<li><b>Fluctuation Magnetoconductance in R(R=Y and Lu)Ni<sub>2</sub>B<sub>2</sub>C Single Crystals</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-12.html"> (Abstracts)</a> 
<br> Mi-Ock Mun, Sung-Ik Lee and W. C. Lee
<br> Physical Review B, 56(22), 14668-14670 (1997)<br><br>

<li><b>Two dimensional superconducting behavior of Hg<sub>0.7</sub>Cr<sub>0.3</sub>Sr<sub>2</sub>CuO<sub>4+y</sub> </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-18.html"> (Abstracts)</a> 
<br> In-Sang Yang, Soo-Young Lee, Jae-Hyuk Choi, Mun-Seog Kim, Sung-Ik Lee
<br> Physica C, 282-287, 2001-2002 (1997)<br><br>

<li><b>Raman study of the Hg<sub>0.7</sub>Cr<sub>0.3</sub>Sr<sub>2</sub>CuO<sub>4+d</sub> superconductors </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-19.html">(Abstracts)</a>
<br> Soo-Young Lee, Bo-Youn Chang, In-Sang Yang, Ji-Hye Gwak, Sung-Jin Kim, Jae-Syuk Choi, Sung-Ik Lee, J. V. Yakhmi, J. B. Mandal, B. Bandyopadhyay and B. Ghosh 
<br> Physica C, 282-287, 1039-1040 (1997)<br><br>

<li><b>Enhancement of vortex fluctuation in Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub> single crystal by iodine intercalation</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/97-20.html"> (Abstracts)</a>
<br> K. W. Lee, D. H. Ha, Y. K. Park, J. C. Park, M. S. Kim, S. C. Yu and Sung-Ik Lee 
<br> Physica C, 282-287, 2025-2026 (1997)<br><br>

<li><b>Equilibrium magnetic properties and vortex fluctuation behavior of grain-aligned Hg<sub>0.8</sub>Pb<sub>0.2</sub>Ba<sub>1.5</sub>Sr<sub>0.5</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>y</sub></b> 
<br> Y. Zhuo, J. H. Choi, M. S. Kim, W. S. Kim, S. I. Lee and S. Lee
<br> Physica C, 282-287, 2003-2004 (1997)<br><br>

</ol>

== 1996 ==

<ol>
<li><b>Analysis of Voltage Fluctuations in the High-Tc Superconductor Bi2Sr2CaCu2Ox: Correlated Motion of Vortices</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-1.html"> (Abstracts) </a>
<br> Kyoo-Hyun Han, Sung-Ik Lee and Sung-Ho Suck Salk
<br> Journal of the Korean Physical Society 29(3),342-345 (1996)<br><br>

<li><b> Three-dimensional superconducting behavior and thermodynamic parameters of HgBa2Ca0.86Sr0.14Cu2O6-d </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-2.html"> (Abstracts) </a>
<br> Mun-Seog Kim, Sung-Ik Lee, Seong-Cho Yu and Nam H. Hur
<br> Physical Review B 53(14),9460 (1996)<br><br>

<li><b> Effect of HgI2 intercalation on Bi2Sr2CaCu2Oy: Interlayer coupling effect </b> 
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-3.html"> (Abstracts) </a>
<br> Myoung-Kwang Bae, Mun-Seog Kim and Sung-Ik Lee, Nam-Gyu Park, Seong-Ju Hwang, Dong-Hoon Kim, and Jin-Ho Choy 
<br> Physical Review B 53(18), 12416 (1996)<br><br>

<li><b> Anomalous Temperature Dependence of the Upper Critical Field in Crystal of YNi2B2C </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-4.html"> (Abstracts) </a>
<br> Mun-Seog Kim, Sung-Ik Lee and W.C. Lee
<br> Chinese Journal of Physics 34(2-II), 414 (1996)<br><br>

<li><b>Vortex Glass and Lattice Melting Transitions in a  YNi2B2C Single Crystal</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-5.html"> (Abstracts) </a>
<br> Mi-Ock Mun and Sung-Ik Lee, W.C. Lee, P.C. Canfield, B.K.Cho and D.C. Johnston
<br> Physical Review Letters 76(15), 2790 (1996)<br><br>

<li><b> Vortex Glass and Lattice Melting Transitions in a  YNi2B2C Single Crystal - Reply</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-6.html"> (Abstracts) </a>
<br> Mi-Ock Mun, Sung-Ik Lee and W C Lee
<br> Physical Review Letters 77(10), 2146 (1996)<br><br>

<li><b>High-Pressure Raman Study of the Mercury-Based Superconductors and the Related Compounds</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-7.html"> (Abstracts)</a> 
<br> In-Sang Yang, Hye-Gyong Lee, Nam H. Hur, Sung-Ik Lee
<br> World Scientific 361 (1996)<br><br>

<li><b>Three dimensional vortex fluctuation in HgBa2Ca0.86Sr0.14Cu2O6-d</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-8.html"> (Abstracts)</a> 
<br> Mun-Seog Kim, Sung-Ik Lee, Seong-Cho Yu, Nam H. Hur
<br> World Scientific 409 (1996)<br><br>

<li><b> Vortex fluctuation effect in three dimensional superconductors</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/96-9.html"> (Abstracts)</a>
<br> Sung-Ik Lee, Mun-Seog Kim, Jin-Nam Park, Seong-Cho Yu, Nam H. Hur
<br> Czechoslovak Journal of Physics Vol.46 (1996)<br><br>

</ol>

== 1995 ==

<ol>

<li><b>Thermoelectric Power of a Single-phase HgBa2Ca2Cu3Oy Superconductor</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-1.html">(Abstracts) </a>
<br> Y.S. Ha, H.M. Chung, Y.W. Park, Mi-Ock Mun, Sergey Lee, and Sung-Ik Lee 
<br> Journal of Materials Chemistry 5(1), 71 (1995)<br><br>

<li><b>A freeze-drying approach to the preparation of HgBa2Ca2Cu3O8+x superconductor</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-2.html">(Abstracts) </a>
<br> Sergey Lee, Oleg Shllyakhtin, Mi-Ock Mun, Myoung-Kwang Bae and Sung-Ik Lee 
<br> Superconductor Science and Technology 8, 60 (1995)<br><br>

<li><b>Micro-Raman study on the role of pressure in mercury-based Superconductors </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-3.html"> (Abstracts) </a>
<br> In-Sang Yang, Hye-Soo Shin, Hye-Gyong Lee, Seung-Joon Jeon, Hang-Sun Ahn, Jaejun Yu, Sergey Lee, Sung-Ik Lee and Nam H. Hur
<br> Physical Review B 51(1), 644 (1995)<br><br>

<li><b>Thermodynamic parameters of HgBa2Ca2Cu3O8-x from high-field magnetization </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-4.html"> (Abstracts) </a>
<br> Mun-Seog Kim, Myoung-Kwang Bae, Sergey Lee and Sung-Ik Lee
<br> Physical Review B 51(5), 3261 (1995)<br><br>

<li><b>Exact calculation of the vortex-antivortex interaction energy in the anisotropic three-dimensional XY model</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-5.html"> (Abstracts) </a>
<br> Mahn-Soo choi and Sung-Ik Lee
<br> Physical Review B 51(10), 6680 (1995)<br><br>

<li><b>Measurements of the Superconducting Properties of grain-aligned  HgBa2Ca2Cu3O8+d</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-6.html"> (Abstracts) </a>
<br> Sung-Ik Lee 
<br> Synthetic Metals 71, 1547 (1995)<br><br>

<li><b>Fabrication of the HgBa2Ca2Cu3O8+x Phase by the Ampoule Method</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-7.html"> (Abstracts) </a> 
<br> Sergey Lee, Mi-Ock Mun, Myoung-Kwang Bae and Sung-Ik Lee
<br> Synthetic Metals 71, 1569 (1995)<br><br>

<li><b>Thermoelectric power of Hg-based superconductor</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-8.html"> (Abstracts) </a>
<br> Y.S. Ha, H.M. Chung, Y.W. Park, Mi-Ock Mun, Sergey Lee, Myoung-Kwang Bae and Sung-Ik Lee 
<br> Synthetic Metals 71, 1571 (1995)<br><br>

<li><b>Pressure induced Raman spectra of HgBa2Ca2Cu3O8+d superconductors</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-9.html"> (Abstracts) </a>
<br> Hye-Gyong Lee, Hye-Soo Shin, In-Sang Yang and Sung-Ik Lee
<br> Synthetic Metals 71, 1573 (1995)<br><br>

<li><b>Noise Power Spectrum of the Bi2Sr2CaCu2Ox Single Crystal in the Low Magnetic Fields </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-10.html"> (Abstracts) </a>
<br> Sung-Ik Lee and Mi-Ock Mun and Sung-Ho Suck Salk
<br> Synthetic Metals 71, 1591 (1995)<br><br>

<li><b>Photofluxonic effects of Y1Ba2Cu3O7-x thin film</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-11.html"> (Abstracts) </a>
<br> Wan-Seon Kim, Kijeong Kwon, Heon Min Lee and Sung-Ik Lee
<br> Synthetic Metals 71, 1607 (1995)<br><br>

<li><b>Self-Organized Criticality from the Examination of Voltage Noise in a  High Tc Superconductor, Bi2Sr2CaCu2Ox</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-12.html"> (Abstracts) </a>
<br> Sung-Ho Suck Salk, Kyu Hyun Han and Sung-Ik Lee
<br> Synthetic Metals 71, 1637 (1995)<br><br>

<li><b> The role of alumina in the growth mechanism of Bi(Pb)-Sr-Ca-Cu-O whisker </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-13.html"> (Abstracts) </a>
<br> Sergey Lee, Ki-Jeong Kwon, Wan-Seon Kim, Sung-Ik Lee
<br> Physica C 251, 149 (1995)<br><br>

<li><b>Study of the Thermodynamic Parameters of HgBa2Ca2Cu3O8-x by Using Hao and Clem's Model</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/95-14.html"> (Abstracts) </a>
<br> Mun-Seog Kim, Myoung-Kwang Bae, Sung-Ik Lee and W. C. Lee 
<br> Chinese Journal of Physics Vol. 33, No. 6, 691-697 (1995)<br><br>

<li><b>A Raman Study on the Effects of Pressure in HgBa2Can-1CunO2n+2+  Superconductors and Related Compounds</b>
<br> In-Sang Yang, Hye-Gyong Lee and Hye-Soo Shin, Seung-Joon Jeon, Hang-Sun Ahn, Jaejun Yu, Nam H. Hur, Sung-Ik Lee
<br> Journal of the Korean Physical Society 28, S224-S231 (1995)<<br><br>
 
</ol>

== 1994 ==

<ol>

<li><b> Calculation of the Critical Transport Exponent for a Varing Distribution of the Bond Strength</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-1.html"> (Abstracts) </a>
<br> Mahn-Soo Choi, Wan-Seon Kim and Sung-Ik Lee
<br> Journal of Korean Physical Society 27(2), 221 (1994)<br><br>

<li><b>Conductivity distribution of resistor-capacitor composites</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-2.html"> (Abstracts) </a>
<br> Mahn-Soo Choi, Wan-Seon Kim and Sung-Ik Lee
<br> Physical Review B 49, 15348  (1994)<br><br>

<li><b> Energy Gap of high-Tc Superconductor HgBa2Ca2Cu3O8+d determined by  point-contact spectorscopy</b> 
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-3.html"> (Abstracts) </a>
<br> G.T. Jeong, J.I. Kye, S.H. Chun, Sergey Lee, Sung-Ik Lee and Z.G. Khim
<br> Physical Review B 49, 15416 (1994) <br><br>

<li><b> Synthesis and Superconducting Properties of the HgBa2Ca2Cu3O8+x</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-4.html"> (Abstracts) </a>
<br> Sergey Lee, Mi-Ock Mun, Myoung-Kwang Bae and Sung-Ik Lee
<br> Journal of Materials chemistry 4(6), 991 (1994) <br><br>

<li><b> Conductivity fluctuation in HBCCO Superconductor</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-5.html"> (Abstracts) </a> 
<br> Mi-Ock Mun, Sergey Lee, Myoung-Kwang Bae and Sung-Ik Lee
<br> Solid State Communications 90(9), 603 (1994)<br><br>

<li><b> Analysis of noise power of high Tc superconductor BSCCO single crystal by using modified Dutta, Dimon and Horn's model</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-6.html"> (Abstracts) </a> 
<br> Kyu-Hyun Han, Mi-Ock Mun, Sung-Ho Suck Salk and Sung-Ik Lee
<br> Physica B 194-196, 1633 (1994)<br><br>

<li><b> Raman spectra of HgBa2Ca2Cu3O8+d superconductors</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-7.html"> (Abstracts) </a>
<br> In-Sang Yang, Hye-Gyong Lee, Hye-Soo Shin, Jung-Hae Park, Sung-Ik Lee and Sergey Lee
<br> Physica C 222, 386 (1994)<br><br>

<li><b>Vortex fluctuation of grain-aligned HgBa2Ca2Cu3O8+d </b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-8.html"> (Abstracts) </a>
<br> Myoung-Kwang Bae, Mahn-Soo Choi, Mi-Ock Mun, Sergey Lee, Sung-Ik Lee and Won Choon Lee 
<br> Physica C 228, 195 (1994)<br><br>

<li><b> Superconducting fluctuation of grain-aligned HgBa2Ca2CU3O8+d</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-9.html"> (Abstracts) </a>
<br> Myoung-Kwang Bae, Mahn-Soo Choi, Sergey Lee, Sung-Ik Lee and Won Choon Lee
<br> Physica C 231, 249  (1994)<br><br>

<li><b> Surface barrier effect of isothermal magnetization of grain-aligned HgBa2Ca2Cu3O8</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-10.html"> (Abstracts) </a>
<br> Myoung-Kwang Bae, Mahn-Soo Choi, Mi-Ock Mun, Sergey Lee, Sung-Ik Lee and Won Choon Lee
<br> Physica C 234, 207  (1994)<br><br>

<li><b> Synthesis and Superconductivity of the HgBa2Ca2Cu3Ox Superconductors</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-11.html">(Abstracts) </a>
<br> Sung-Ik Lee, Sergey Lee, Mi-Ock Mun and Myoung-Kwang Bae
<br> Physica C 235, 895 (1994)<br><br>

<li><b> Analysis of Voltage Noise in a High Tc Superconductor</b>
<a href="http://www-ph.postech.ac.kr/~htsc/reprints/abstracts/94-12.html"> (Abstracts) </a>
<br> Sung-Ho Suck Salk, Kyu Hyun Han and Sung-Ik Lee
<br> Physica C 235-240, 3115 (1994)<br><br>

</ol>

== 1993~1988 (start-up period at POSTECH) ==

<ol>
<li><b>Measurements of Transport properties and Noise Power Spectral Densities for a Bi2Sr2Ca1Cu2Ox single crystals</b><br>
K.H. Han, M.K. Joo, H.J. Shin, *Sung-Ik Lee, and Sung-Ho Suck Salk <br>
IEEE transaction on applies Superconductivity, 3(1), 2947 (1993/3)<br><br>

<li><b>Conductivity Fluctuations in a Single Crystal Bi2Sr2Ca1Cu2Ox</b><br>
M.O. Mun, *Sung-Ik Lee, Sung-Ho Suck Salk, H.J. Shin and M.K. Joo <br>
Phys. Rev. B, 48, 6703 (1993/9/1)<br><br>

<li><b>Enhancement of the noise spectral densities near the resistive transition region of YBCO micro-bridge</b><br>
K. H. Han, *Sung-Ik Lee, Sung-Ho Suck Salk, H.J.Shin, Sung Hee Lee and Ja
Kang Ku<br>
Solid State Communications, 81(3), 269 (1992) <br><br>

<li><b>Anomalous 1/f Noise Spectrum of Potassium-doped Bulk C60 and C70 in both the Normal and Superconducting Transition Region</b><br>
K. H. Han, *Sung-Ik Lee, J.O. Lee, Sung-Ho Suck Salk, E.B. Park, J.W. Shim
and Y.W. Park<br>
Solid State Communications, 83(2), 133 (1992)<br><br>

<li><b>Measurements of Noise Spectral Densities for a High-Tc Superconductor: Single-crystal Bi2Sr2Ca1Cu2Ox</b><br>
K. H. Han, M.K. Joo, Sung-Ho Suck Salk, H.J. Shin and *Sung-Ik Lee <br>
Phys. Rev. B, 46, 11835 (1992/11/1)<br><br>

<li><b>Far-Infrared studies of two dimensional random metal-insulator composites </b><br>
Tae Won Noh, Sung-Ik Lee, D.C.Harrise, *J.R.Gaines and J.C.Garland <br>
Phys. Rev. B, 46, 4212 (1992/8/15) <br><br>

<li><b>AC conduction and 1/f noise in a Cr-film lattice-percolation system</b><br>
Yi Song, Sung-Ik Lee and *James R. Gaines <br>
Phys. Rev. B, 46(1), 14 (1992/7/1)<br><br>

<li><b>Measurement of Josephson and Abrikosov pinning force densities of YBa2Cu3O7-x in a Weak Magnetic Field</b><br>
Z.S. Lim, B.W. Lee, *Sung-Ik Lee, Y.H. Jeong and H.J. Shin <br>
J Korean Phys Soc 24(1), 51-54 (1991/2)<br><br>

<li><b>AC conductivity and Dielectric Constant in a 2-D Swiss Cheese Percolation System</b><br>
K. H. Youm and *Sung-Ik Lee <br>
Solid State Commun 79(12), 1069 (1991) 
<br><br>

<li><b>Anomalously enhanced noise spectral densities of YBCO Microbridge near the resistive transition region</b><br>
K. H. Han, *Sung-Ik Lee, S. H. Lee, Sung-Ho Suck Salk, J.K. Ku and
H.J. Shin<br>
Physica C, 185-189, 1841 (1991) 
<br><br>

<li><b>1/f noise in the resistive transition region of high-temperature superconductor YBCO microbridged thin films</b><br>
K. H. Han, *Sung-Ik Lee, Sung Hee Lee, Ja Kang Ku and H.J. Shin <br>
Supercond SciTech4, 677 (1991) <br><br>

<li><b>Confirmation of the Universal Conductivity Critical Exponent in a Two Dimensional Anisotropic System</b><br>
K. H. Han, J.O. Lee and *Sung-Ik Lee <br>
Phys. Rev. B, 44, 6791 (1991/10/1)<br><br>

<li><b>Thermoelectric Power of Bi-Sr-Ca-Cu-O Single Crystals</b><br>
Young Seok Song, Hyuk Park, Yoon Seok Choi, *Yung Woo Park, Min Soo Jang,
Hyung Chul Lee and Sung-Ik Lee<br>
J Korean Phys Soc 23(6), 492 (1990)<br><br>

<li><b>Experimental study of the Conductivity Exponent in Two Dimensional Swiss Cheese Percolating Network</b><br>
K. H. Han, Z.S. Lim and *Sung-Ik Lee <br>
Physica B 167, 185 (1990)<br><br>

<li><b>Possible Breakdown of the Universality for the Conductivity Critical Exponent in an Anisotropic Percolation System</b><br>
S. Yoon and *Sung-Ik Lee <br>
Physica B 167, 133 (1990)<br><br>

<li><b>Measurement of the AC conductivity and Dielectric Constant in a 2-D Lattice Percolation System</b><br>
C. S. Yoon and *Sung-Ik Lee <br>
Phys. Rev. B42, 4594 (1990/9/1) <br><br>

<li><b>Superconductivity and thermoelectric Power of Pr1.85Ce0.15CuO4-y</b><br>
*Sung-Ik Lee, Yoon H. Jeong, K. H. Hah, Z.S. Lim, Y.S. Song and Y.W. Park <br>
Phys. Rev. B 41, 2623 (1990/2/1)<br><br>

<li><b>Development of spark bonding method to measure the transport properties of Bi oxide superconducting single crystal</b><br>
Soong Yoon, *Sung-Ik Lee, Zhong Soo Lim, Ki Jeong Kwon and Hyun Jun Shin <br>
J Korean Phys Soc22, 275 (1989)<br><br>

<li><b>XPS study of Oxygen Valence in Y1Ba2Cu3O7-x</b><br>
Zhong Soo Lim, Ki Jeong Kwon, Kwang Soo Shin, *Sung-Ik Lee and Jinwook Chung <br>
J Korean Phys Soc 22, 228 (1989)<br><br>

<li><b>Superconductivity of Bi-Sr-Ca-Cu-O Thick Film prepared by a Rapid Solidification method</b><br>
K. J. Kwon, Z.S. Lim, T.Y. Kim, J. K. Son and *Sung-Ik Lee <br>
Physica C 159(5), 659 (1989)<br><br>

<li><b>Thermoelectric Power of Nd1.85Ce0.15CuO4-y and Pr1.85Ce0.15CuO4-y</b><br>
Z.S. Lim, K. H. Han, *Sung-Ik Lee, Yoon H. Jeong, S.H. Salk, Y.S. Song and Y.W. Park<br>
Phys. Rev. B, 40, 7310 (1989/10/1)<br><br>

<li><b>Intensities of Rv(0) Transitions in Solid HD</b><br>
J. D. Poll, *R.H. Tipping, Sang Young Lee, Sung-Ik Lee, Tae W. Noh and J.R. Gaines <br>
Phys. Rev. B, 39, 11372 (1989/6/1) <br><br>

<li><b>Intensities of O-Phonon Uv(0) and Qv + Uv(0) Transitions in Solid H2, D2 and HD</b><br>
J. D. Poll, *R.H. Tipping, Sung-Ik Lee, Tae W. Noh, Sang Young Lee and J.R. Gaines <br>
Phys. Rev. B, 39, 6514 (1989/4/1)<br><br>

<li><b>A superconductivity above 100 K in Bi-Sr-Ca-Cu-O system</b><br>
*Sung-Ik Lee, K. J. Kwon, Z. S. Lim, B.H. Park and H.J. Shin <br>
J Korean Phys Soc 21(4), 376 (1988)<br><br>

<li><b>Enhancement mechanisms for the far-infrared absorption of metal-smoke insulator composites based on the clustering of metal smoke</b><br>
Tae Won Noh, Sung-Ik Lee, Yi Song and *J. R. Gaines <br>
J. Phys-Condens Mat21, 1849 (1988) <br><br>

<li><b>Intensity of O-Phonon-Tv(0) and Vv(0) Single Transitions and Sv(0)+Rv'(0) and Sv(0)+Tv'(0) double transitions in Solid HD</b><br>
*R. H. Tipping, Q. Ma, Tae W. Noh, Sang Young Lee, Sung-Ik Lee and J. R. Gaines <br>
Phys. Rev. B38, 6440 (1988/10/1) <br><br>

<li><b>1/f noise power measurements of copper oxide superconductors in the normal and superconducting states</b><br>
Joseph A. Testa, Yi Song, X.D. Chen, John Golben, Sung-Ik Lee, Bruce R. Patton and *James R. Gaines<br>
Phys. Rev. B38, 2922 (1988/8/1)<br><br>

<li><b>Optical studies of porous glass media containing silver particles</b><br>
*Sung-Ik Lee, Tae Won Noh, Yi Song, J. R. Gaines, Ying-Hsiang Ko and Eric R. Kreidler <br>
Phys. Rev. B37, 2918 (1988/2/15)<br><br>

<li><b>R0(0) transition in the absorption spectrum of solid hydrogen deuteride (HD)</b><br>
Sang Young Lee, Sung-Ik Lee, *J.R. Gaines, R.H. Tipping and J.D. Poll <br>
Phys. Rev. B 37R, 2357 (1988/2/1)<br><br>

<li><b>X-ray and neutron diffraction study of La1Ba2Cu3O9-x: Influence of the Cu-O structure on Tc</b><br>
Yi Song, J.P. Golben, S. Chittipeddi, S.I. Lee, R.D. McMichael, X.D. Chen, *J.R. Gaines, D.L. Cox and A.J. Epstein <br>
Phys. Rev. B37, 607 (1988/1/1)<br><br>

</ol>


== 1987~1985 (pre-POSTECH period) ==

<ol>

<li><b>Correlation of resistance and thermogravimetric measurements on the Er1Ba2Cu3O9-x superconductor to sample preparation techniques </b><br>
Sung-Ik Lee, John P. Golben, Yi Song, Xiao-Dong Chen, R.D. McMichael and *J.R. Gaines <br>
ACS Symposium Series 351, 272-278 (1987)<br><br>

<li><b>Comparison of the 1-2-3 phase and the 3-3-6 phase in the La-Ba-Cu-O superconductor series</b><br>
John P. Golben, Sung-Ik Lee, Yi Song, Xiao-Dong Chen, R.D. McMichael, *J.R. Gaines and D.L. Cox <br>
ACS Symposium Series 351, 192-197 (1987)<br><br>

<li><b>The Nonsuperconductivity of the Perovskite 1-2-3 Single Phase Compound Pr1Ba2Cu3O9-x</b><br>
*Sung-Ik Lee, K.J. Kwon, Hu Jong Lee, B.H. Park and H.J. Shin <br>
J Korean Phys Soc 20, 402 (1987)<br><br>

<li><b>Practical preparation of copper oxide superconductors</b><br>
Xiao-Dong Chen, Sang Young Lee, John P. Golben, Sung-Ik Lee, R.D. McMichael, Yi Song, Tae W. Noh and *J.R. Gaines <br>
Rev. Sci. Instrument, 58, 1565 (1987/9)<br><br>

<li><b>Magnetic behavior of the high Tc composite compound of Y1Ba2Cu3O7-x in the superconducting phase</b><br>
F. Zuo, B.R. Patton, T.W. Noh, S.-I. Lee, Y. Song, J.P. Golben, X.-D. Chen, S.Y. Lee, *J.R. Gaines, J.C. Garland and A.J. Epstein <br>
Solid State Commun.64, 83 (1987/1)<br><br>

<li><b>Effect of structural changes on the zero resistance transition temperature of La1Ba2Cu3O9-x</b><br>
Sung-Ik Lee, John P. Golben, Sang Young Lee, Xiao-Dong Chen, Yi Song, Tae W. Noh, R.D. McMichael, *J.R. Gaines, D.L. Cox and Bruce R. Patton<br>
Phys. Rev. B36, 2417 (1987/8/1) <br><br>

<li><b>Superconductivity of the single-phase compound of Er1Ba2CuO9-x: Transport and structural properties</b><br>
John P. Golben, Sung-Ik Lee, Sang Young Lee and Yi Song, Tae W. Noh, Xiao-Dong Chen, *J.R. Gaines and R.T. Tettenhorst <br>
Phys. Rev. B 35, 8705 (1987/6/1)<br><br>

<li><b>Transport and structural properties of the Hg1Ba2Cu3O9-x superconductor</b><br>
Sung-Ik Lee, John P. Golben, Yi Song, Sang Young Lee, Tae W. Noh, Xiao-Dong Chen, Joe Testa, *J.R. Gaines and R.T. Tettenhorst <br>
Appl. Phys. Lett. 51, 282 (1987/7/27)<br><br>

<li><b>Influence of magnetic rare earth ion substitution on the magnetic susceptibility of high Tc superconductors</b><br>
F. Zuo, B.R. Patton, D.L. Cox, S.I. Lee, Y. Song, J.P. Golben, X.D. Chen, S.Y. Lee, Y. Cao, Y. Lu, *J.R. Gaines, J.C. Garland and A.J. Epstein <br>
Phys. Rev. B 36, 3603 (1987/9/1)<br><br>

<li><b>A New Experimental Approach to Two Dimensional Percolation</b><br>
Tae Won Noh, Sung-Ik Lee, Yi Song and *J. R. Gaines <br>
Physics Letters A 114, 207 (1986/2/17)<br><br>

<li><b>Experimental observation of the non-universal behavior of the conductivity exponent for three-dimensional continuum percolation systems</b><br>
Sung-Ik Lee, Yi Song, Tae Won Noh, X. D. Chen and *J. R. Gaines <br>
Phys. Rev. B 34, 6719 (1986/11/15)<br><br>

<li><b>Temperature dependent far-infrared absorption of silver smoke</b><br>
Tae Won Noh, Sung-Ik Lee, Yi Song and *J. R. Gaines <br>
Phys. Rev. B 34, 2882 (1986/8/15) <br><br>

<li><b>Effect of an oxide coating on the infrared and visible absorption of small silver particles</b><br>
Sung-Ik Lee, Tae Won Noh, John Golben and *J. R. Gaines <br>
Phys. Rev. B 33, 5844 (1986/4/15) <br><br>

<li><b>Percolation effects in the optical properties of Ni-MgO composites</b><br>
Tae Won Noh, Yi Song, Sung-Ik Lee, *J. R. Gaines, Hee Dong Park and Eric R. Kreidler <br>
Phys. Rev. B 33, 3793 (1986/3/15)<br><br>

<li><b>Temperature dependent far-infrared absorption of a metal-insulator composite</b><br>
Tae Won Noh, Sung-Ik Lee and *J. R. Gaines <br>
Phys. Rev. B 33, 1401 (1986/1/15)<br><br>

<li><b>Experimental study of the three dimensional AC conductivity and dielectric constant of a conductor-insulator composite near the percolation threshold</b><br>
Yi Song, Tae Won Noh, Sung-Ik Lee and *J.R. Gaines <br>
Phys. Rev. B 33, 904 (1986/1/15) <br><br>

<li><b>Effect of an oxide layer on the far-infrared absorption of small silver particles</b><br>
Sung-Ik Lee, Tae Won Noh and *J. R. Gaines <br>
Phys. Rev. B 32, 3580 (1985/9/15)<br><br>

<li><b>Far-Infrared Absorption of Silver-Particle Composites </b><br>
Sung-Ik Lee, Tae Won Noh, Kevin Cummings and *J. R. Gaines <br>
Phys. Rev. Lett. 55, 1626 (1985/10/7)<br><br>


</ol>