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Papers    2011~현재    2010    2009    2008    2007    2006    2005    2004    2003    2002    2001    2000이전

 List of Publications

A. Science

1. W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, C. U. Jung, Sung-Ik Lee, "MgB2 Superconducting Thin Films with a Transition Temperature of 39 Kelvin", Science 292, 1521-1523 (2001. 5. 23); (10.1126/science. 1060822).

 

B. Physics Review Letter

1. J. Demsar, R. D. Averitt, A. J. Taylor, V. V. Kabanov, W. N. Kang, H. J. Kim, E.  M. Choi, and S. I. Lee, Pair-Breaking and Superconducting State Recovery Dynamics in MgB2, Phys. Rev. Lett. 91, 267002 (2003. 12. 29).

2. B. B. Jin, T. Dahm, A. I. Gubin, Eun-Mi Choi, Hyun Jung Kim, Sung-IK Lee, W.  N. Kang, N. Klein, Anomalous coherence peak in the microwave conductivity of c-axis MgB2 thin film, Phys. Rev. Lett. 91, 127006 (2003. 9. 19).

3. M. Iavarone, G. Karapetrov, A. E. Koshelev, W. K. Kwok, G. W. Crabtree, D. G.   Hinks, W. N. Kang, Eun-Mi Choi, Hyun Jung Kim, Hyeong-Jin Kim, and S. I. Lee, Two-Band Superconductivity in MgB2, Phys. Rev. Lett. 89, 187002 (2002. 10. 28).

4. 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, Optical Properties of c-Axis Oriented Superconducting MgB2 Films, Phys. Rev. Lett. 87, 277001 (2001.    11. 11).

5. Hyeong-Jin Kim, W. N. Kang, Eun-Mi Choi, Mun-Seog Kim, Kijoon H.P. Kim, Sung-Ik Lee, "High current-carrying capability in c-axis-oriented superconducting MgB2 thin films", Phys. Rev. Lett. 87, 087002 (2001. 8).

6. W. N. Kang, D. H. Kim, S. Y. Shim, J. H. Park, T. S. Hahn, S. S. Choi, W. C.   Lee, J. D. Hettinger, K. E. Gray, and B. Glagola, "Pinning strength dependence of   mixed-state Hall effect in YBa2Cu3O7 crystals with columnar defects", Phys. Rev. Lett. 76, 2993 (1996).

 

C. Applied Physics Letter

1. Eun-Mi Choi, Hyun-Sook Lee, Heon-Jung Kim, Sung-Ik Lee, Hyeong-Jin Kim, and W. N. Kang, Enhancement at low temperatures of the critical current density for  Au-coated MgB2 thin films, Appl. Phys. Lett. 84, 82-84 (2004. 1. 5).

2. A. V. Bobyl, D. V. Shantsev, T. H. Johansen, W. N. Kang, H. J. Kim, E. M. Choi,  S. I. Lee, "Current-induced dendritic magnetic instability in superconducting MgB2   films", Appl. Phys. Lett. 80, 4588-4590 (2002. 6. 17).

3. 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, "Hole carrier in MgB2 characterized by Hall Measurements" Appl. Phys. Lett. 79, 982-984 (2001.8).

4. C. U. Jung, Min-Seok Park, W. N. Kang, Mun-Seog Kim, Kijoon H. P. Kim, S. Y.  Lee, Sung-Ik Lee, "Effect of sintering temperature under high pressure in the superconductivity for MgB2", Appl. Phys. Lett. 78, 4157-4159 (2001. 6).

5. W. N. Kang, R.L. Meng, and C.W. Chu, "Growth of HgBa2Ca2Cu3Oxthin films using stable Re0.1Ba2Ca2Cu3Ox precursor by pulsed laser deposition", Appl. Phys. Lett. 73, 381-383 (1998. 7).

6. C.L. Chen, Y. Cao, Z.J. Huang, Z.H. Zhang, Q.D. Jiang, Y.Y Sun, W. N. Kang, L.M. Dezaneti, W.K. Chu, and C.W. Chu, "The growth and characterization of epitaxial SrRuO3 thin films on (001) SrTiO3", Appl. Phys. Lett. 71, 1047 (1997).

7. T. W. Kim, M. Jung,  H. J. Kim,  T. H. Park, Y.  S. Yoon, W. N.  Kang, S. S. Yom, and H. K. Na, "Optical and electrical properties of titanium dioxide films with a high magnitude  dielectric constant grown  on p-Si by  metalorganic chemical vapour deposition at low temperature", Appl. Phys. Lett. 64, 1407 (1994).

8. T. W. Kim, M. Jung, H. J. Kim, Y. S. Yoon, W. N. Kang, S. S. Yom, "Structural electrical properties of BaTiO3 thin films grown on p-InSb substrates by metalorganic chemical vapor deposition at low temperature. Appl. Phys. Lett. 62, 1788 (1993).

9. Y.  S. Yoon, W. N.  Kang, S.  S. Yom, T.  W. Kim, M. Jung, and H. K.  Na, "Electrical and optical properties of PbTiO3 thin films on p-Si grown by metalorganic chemical vapor deposition", Appl. Phys. Lett. 63, 1104 (1993).

 

D. Physics Review B

1. M Iavarone, R. Di Capua, A E Koshelev, W K Kwok, F. Chiarella, R. Vaglio, W. N. Kang, E M Choi, H J Kim, Sung-Ik Lee, A V Pogrebnyakov, J M Redwing, and X  X Xi, Effects of disorder in MgB2 thin films, Phys. Rev. B 71, 214502 (2005. 6)

2. 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, Effect of two bands on the scaling of critical current density in MgB2 thin  films, Phys. Rev. B 69(22), 224510 (2004/6)

3. P. Chowdhury, Heon-Jung Kim, W. N. Kang, Dong-Jin Zang, Sung-Ik Lee, D. H. Kim, Magnetic relaxation in Tl2Ba2CaCuO6 single crystals by SQUID magnetometer and micro-Hall sensor, Phys. Rev. B 68, 134413 (2003. 10. 8).

4. Milind N. Kunchur, Cheng Wu, Daniel H. Arcos, Boris I. Ivlev, Eun-Mi Choi, Kijoon H. P. Kim, W. N. Kang, Sung-Ik Lee,  Critical flux pinning and enhanced upper critical field in magnesium diboride films, Phys. Rev. B 68, 100503 (2003. 9. 12).

5. Milind N. Kunchur, Sung-Ik Lee, W. N. Kang, Pair-breaking critical current density of magnesium diboride, Phys. Rev. B 68, 064516 (2003. 8. 27).

6. G. P. Zhang, G. S. Chang, T. A. Callcott, D. L. Ederer, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, Angle-resolved soft x-ray spectroscopy study of the electronic states of single-crystal MgB2, Phys. Rev. B 67, 174519 (2003. 5.  23).

7. Heon-Jung Kim, P. Chowdhury, W. N. Kang, Dong-Jin Zang, and Sung-Ik Lee, Superconducting fluctuation probed by in-plane and out-of-plane conductivities in  Tl2Ba2CaCuO8 + y single crystals, Phys. Rev. B 67 (14), 144502 (2003. 4. 4)

8. 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, "Local threshold field for dendritic instability in superconducting MgB2 films", Phys. Rev. B 67, 064513 (2003. 2. 28).

9. I. K. Yanson, V. V. Fisun, N. L. Bobrov, Yu. G. Naidyuk, W. N. Kang, Eun-Mi Choi, Hyun-Jung Kim, Sung-Ik Lee, Phonon structure in I-V characteristic of MgB2  point contacts, Phys. Rev. B 67, 024517 (2003. 1. 31)

10. A. Dulcic, M. Pozek, D. Paar, Eun-Mi Choi, Hyun-Jung Kim, W. N. Kang, and   Sung-Ik Lee, "Coherence lengths and anisotropy in MgB2 superconductor", Phys. Rev. B 67, R020507 (2003. 1. 17).

11. S. K. Gupta, Shashwati Sen, Ajay Singh, D. K. Aswal, J. V. Yakhmi, Eun-Mi Choi, Hyun-Jung Kim, Kijoon H. P. Kim, Seungje Choi, Hyun-Sook Lee, W. N. Kang, Sung-Ik Lee, "I-V characteristic measurements to study the nature of the vortex state and dissipation in MgB2 thin films", Phys. Rev. B 66, 104525 (2002. 9. 30).

12. B. B. Jin, N. Klein, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-Ik Lee, T.  Dahm, and K. Maki, "Energy gap, penetration depth, and surface resistance of   MgB2 thin films determined by microwave resonator measurements", Phys. Rev. B   66, 104521 (2002. 9. 27).

13. Mun-Seog Kim, John A. Skinta, Thomas R. Lemberger, W. N. Kang, Hyeong-Jin  Kim, Eun-Mi Choi, and Sung-Ik Lee, "Reflection of a two-gap nature in penetration-depth measurements of MgB2 film", Phys. Rev. B 66, 064511 (2002. 8. 15).

14. 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, "Complicated nature of the gap in MgB2: Magnetic field-dependent optical studies", Phys. Rev. B 65,  224519 (2002. 6. 11).

15. Shashwati Sen, Ajay Singh, D. K. Aswal, S. K. Gupta, J. V. Yakhmi, V. C. Sahni, Eun-Mi Choi, Hyeong-Jin Kim, Kijoon H. P. Kim, Hyun-Sook Lee, W. N. Kang, and Sung-Ik Lee, "Anisotropy of critical current density in c-axis-oriented MgB2 thin films", Phys. Rev. B 65, 214521 (2002. 6. 6).

16. W.N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Kijoon H.P. Kim,  Sung-Ik Lee, "Universal scaling of the Hall resistivity in MgB2 superconductors",  Phys. Rev. B 65, 184520 (2002. 5. 7).

17. W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Kijoon H. P. Kim, H. S. Kim, and Sung-Ik Lee, "Hall effect in c-axis-oriented MgB2 thin films" Phys. Rev. B 65, 134508 (2002. 3. 19).

18. Kijoon H.P. Kim, Jae-Hyuk Choi, C.U. Jung, P. Chowdhury, 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, "Superconducting properties of well-shaped MgB2 single crystal", Phys. Rev. B 65, 100510 (2002. 2. 26).

19. 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, "Suppression of superconducting critical current density by small flux jumps in MgB2 Thin Films", Phys. Rev. B 65, 064512 (2002. 1. 16).

20. 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, "Far-infrared transmission studies of c-axis oriented superconducting MgB2 thin film", Phys. Rev. B 65, 052413 (2002. 1. 11).

21. 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, and Sung-Ik Lee, "Spectroscopic evidence for anisotropic s-wave pairing symmetry in MgB2", Phys. Rev. B 65, 012505 (2001. 11. 29).

22. H. H. Wen, S. L. Li, Z. W. Zhao, H. Jin, Y. M. Ni, W. N. Kang, H. J. Kim, E. M. Choi, S. I. Lee, Magnetic relaxation and critical current density of MgB2 thin films, Phys. Rev. B 64, 134505 (2001. 10).

23. Mun-Seog Kim, C. U. Jung, Min-Seok Park, S. Y. Lee, Kijoon H. P. Kim, W N. Kang, Sung-Ik Lee, "Prominent bulk pinning effect in the newly discovered MgB2 superconductor", Phys. Rev. B 64, 012511 (2001. 7).

24. 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, "Triple sign reversal of Hall effect in HgBa2CaCu2Ox thin films after heavy-ion irradiations", Phys. Rev. B 61, 722-725 (2000. 1).

25. Wan-Seon Kim, W. N. Kang, Mun-Seog Kim, and Sung-Ik Lee, "Vortex phase diagram of HgBa2Ca2Cu3Ox thin films from magnetoresistance measurements", Phys. Rev. B 61, 11317-11320 (2000. 5).

26. Wan-Seon Kim, W. N. Kang, Mun-Seog Kim, Sung-Ik Lee, S. J. Oh, Chang Ho Choi, and H.-C. Ri, "Hall angle and vortex phases in HgBa2Ca2Cu3O8 thin films",  Phys. Rev. B 62, 3037-3039 (2000. 8).

27. W.N. Kang, B.W. Kang, A. Gupad, S.H. Yun, J.Z. Wu, Q.Y. Chen, Z.J. Qu, W.K. Chu, C.W. Chu, D.K. Christen, and R. Kerchner, "Scaling of the Hall resistivity in epitaxial HgBa2CaCu2Ox thin films with columnar defects", Phys. Rev. B 59, R9031-9034 (1999. 4).

28. J.Z. Qu, Q.Y. Chen, W. N. Kang, and W.K. Chu, "ab-plane restrained flux motion of (110) YBa2Cu3O7 thin-film superconductor", Phys. Rev. B 60, 10484-10488 (1999. 10).

29. B.W. Kang, J.Z. Wu, A.A. Gapud, W. N. Kang, D.K. Christen, and R. Kerchner, "Glassy vortex-liquid phase in high-Tc superconductors", Phys. Rev. B 60, 3088-3091 (1999. 4).

30. Jin-Tae Kim, Y.K. Park, J.-C. Park, H.R. Lim, S.Y. Shim, D.H. Kim, W. N. Kang, J.H. Park, T.S. Hahn, S.S. Choi, W.C. Lee, J.D. Hettinger, and K.E. Gray, "Pinning effect on fluctuation conductivity in a superconducting untwinned  YBa2Cu3O7 single crystal with columnar defects",  Phys. Rev. B 57, 7499-7502 (1998. 4).

31. W. N. Kang, S. H. Yun, J. Z. Wu, and D. H. Kim, "Scaling Behavior and Mixed-State Hall Effect in Epitaxial HgBa2CaCu2O6+ Thin Films", Phys. Rev. B 55, 621 (1997).

32. B.W. Kang, W. N. Kang, S.H. Yun, and J.Z. Wu, "Scaling behavior of activation energy of HgBa2CaCu2Ox thin films", Phys. Rev. B 56, 7862 (1997).

33. A. A. Gupard, J. R. Liu, J. Z. Wu, W.N. Kang, B.W. Kang, S.H. Yun, and W.K.  Chu, "Effects of 1-MeV proton irradiation in Hg-based cuprate thin films", Phys. Rev. B 56, 862 (1997).

34. W. N.  Kang and Mu-Yong Choi, Negative thermopower of YbBa2Cu3Ox ", Phys. Rev. B 42, 2573 (1990).

35. W. N. Kang, K.C. Cho, Y.M.  Kim, and Mu-Yong Choi, Oxygen-deficiency  dependence of the thermopower of YBa2Cu3Ox," Phys. Rev. B 39, 2763 (1989).

 

E. Other Papers

1. Myoung-Hwan Kim, Sung-Ik Lee, Mun-Seog Kim, and Won Nam Kang, An H-T diagram characterizing the activation barriers obtained from the magnetic relaxation  of HgBa2Ca2Cu3O8 thin films, Supercond. Sci. &Technol. 18, 835-838 (2005. 4)

2. 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,Dependence of penetration depth, microwave      surface resistance and energy gap of MgB2 thin films on their normal-state resistivity, Supercond. Sci. Technol. 18, L1-L4 (2005. 1)

3. 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, Fluctuation of superconductivity in MgB2 thin flms, Physica C 408-410, 72-74 (2004. 8)

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

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

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

7. 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, Two-gap interplay in MgB2: a tunneling spectroscopy study,Physica C 408-410, 768-772 (2004. 8)

8. 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,STM tunnelling spectroscopy in       MgB2 thin films: the role of band structure in tunnelling spectra, Supercond. Sci.     Technol. 17(5), S106-S111 (2004. 5).

9. Eun-Mi Choi, S. K. Gupta, Shashwati Sen, Hyun-Sook Lee, Hyun-Jung Kim, W. N. Kang, and Sung-Ik Lee, Effect of Annealing on Physical Properties of MgB2 Thin  Films, Chinese Journal of Physics 42, 543 (2004. 2).

10. M. N. Kunchur, Wu Cheng, D. H. Arcos, G. Saracila, Eun-Mi Choi, Kijoon H. P.  Kim, W. N. Kang, Sung-Ik Lee, Mixed-state transport characteristics of magnesium  diboride films, Brazilian Journal of Physics 33, 705 (2003. 12).

11. W. A. C. Passos, P. N. Lisboa-Filho, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee and W. A. Ortiz, Effects of Small Fields on the Magnetic Response of Superconducting Thin Films of MgB2, Journal of superconductivity 15, 479 (2003. 10).

12. 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, Mixed-state magnetoresistance of c-axis-oriented MgB2 thin flms, Physica C 391, 119-124 (2003. 8. 15).

13. S. Friedrich, A. Vailionis, O. Drury, T. Niedermayr, T. Funk, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, Cramer, S.P., Changyoung Kim, S.E. Labov, A multichannel superconducting tunnel junction detector for high-resolution X-ray spectroscopy of magnesium diboride films, IEEE Transactions On Applied Superconductivity 13, 3699-3701 (2003. 6).

14. N. Klein, B.B. Jin, R. Wordenweber, P. Lahl, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-IK Lee, T. Dahm, K. Maki, Microwave properties of MgB/sub 2/ thin films, IEEE Transactions On Applied Superconductivity 13, 3253-3256 (2003. 6).

15. W. A. C. Passos, P. N. Lisboa-Filho, W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Sung-Ik Lee, and W. A. Ortiz, Effects of Small Magnetic Fields on the Critical Current of Thin Films, IEEE Transactions On Applied Superconductivity 13(2), 3699-3701 (2003. 6).

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

17. Hyeong-Jin Kim, W. N. Kang, Eun-Mi Choi, Kijoon H. P. Kim, Sung-Ik Lee, High Critical Current Density of c-Axis-Oriented MgB2 Thin Films, J. Low Temp. Phys.131, 1025-1031 (2003.06).

18. W. N. Kang, Kijoon H. P. Kim, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Hyun-Sook Lee, Sung-Ik Lee, Observation of Hall Scaling in MgB2 Thin Films, J. Low Temp. Phys.131, 1075-1084 (2003.06).

19. 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, Study of the Electron-Phonon Interaction in Metal Diborides MeB2 (Me = Zr, Nb, Ta, Mg) by Point-Contact Spectroscopy, Modern Phys. Lett.B 17, 657-666 (2003. 5. 20).

20. D V Shantsev, P E Goa, F L Barkov, T H Johansen, W. N. Kang and S I Lee, Interplay of dendritic avalanches and gradual flux penetration in superconducting MgB2 films, Supercond. Sci. Technol. 16, 566-570 (2003. 5).

21. 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, Hyun Jung, Kim, W. N. Kang, and Sung-Ik Lee,Effect of interface pinning on dissipation, volume pinning force and measurement of upper critical magnetic field in MgB2 thin films, Physica C 385(3), 313-321, (2003. 3. 15).

22. W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim, Hyun-Jung Kim and Sung-Ik Lee, "Growth of superconducting MgB2 thin films via postannealing techniques", Physica  C 385, 24-30 (2003. 3. 1).

23. 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, "Directional  scanning tunneling spectroscopy in MgB2", Physica C 385, 215-220  (2003. 3. 1).

24. B B Jin, N Klein, W N Kang, Hyeong-Jin Kim, Eun-Mi Choi, Sung-I K Lee, T  Dahm and K Maki, Microwave surface impedance of MgB2 thin film, Supercond. Sci. Technol. 16, 205 (2003. 2).

25. 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, MgB2: directional tunnelling and two-band superconductivity, Supercond. Sci. Technol. 16, 156-161 (2003. 2. 1).

26. W. N. Kang, Heon Jung Kim, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H. P.Kim, H. S. Lee and Sung-Ik Lee, "Synthesis of c-axis-oriented MgB2 thin films and the Hall effect", Supercond. Sci. Technol. 16, 237-240 (2003. 2. 1).

27. F Bobba, D Roditchev, R Lamy, 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, "Quasiparticle state density on the surface of superconducting thin films of MgB2", Supercond. Sci. Technol. 16, 167 (2003. 2. 1).

28. W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Kijoon H. P. Kim and Sung-Ik Lee, Growth and transport properties of c-axis-oriented MgB2 thin films, Physica C 378-381, 1246-1251 (2002. 10. 1).

29. 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, "Dendritic magnetic instability in superconducting MgB2 films", Europhys. Lett. 59, 599-605 (2002. 8. 15). European Physical Society.

30. B. B. Jin, N. Klein, A. Pimenov, A. Loidl, S. I. Krasnosvobodtsev, S. –I. Lee and W. N. Kang, "Microwave measurement of energy gap and penetration depth of MgB2 thin film", Physica C 372-376, 1283-1286 (2002. 8. 1).

31. 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, "Fluctuation of Superconductivity in MgB2", J. Kor. Phys. Soc. 40, 949-951 (2002. 5. 1).

32. 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, "Negligible effect of grain boundaries on the supercurrent density in polycrystalline MgB2" Physica C 370, 13-16 (2002.  4. 1).

33. Yu. G. Naidyuk, I. K. Yanson, L. V. Tyutrina, N. L. Bobrov, P. N. Chubov, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, and Sung-Ik Lee, "Superconducting Energy Gap Distribution in c-Axis Oriented MgB2 Thin Film from Point Contact Study", JETP Lett. 75, 238-241 (2002. 3. 10).

34. Hyeong-Jin Kim, W. N. Kang, Eun-Mi Choi, Kijoon H. P. Kim, and Sung-Ik Lee, "Transport Properties of c-axis oriented MgB2 Thin Films", J. Kor. Phys. Soc. 40, 416-420 (2002. 3. 1).

35. 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, "Microstructure of the highly dense MgB2 Superconductor by TEM", Supercond. Sci. Tech. 14, 880-883 (2001. 10).

36. 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, "Dendritic flux patterns in MgB2 films", Supercond. Sci. Technol. 14, 726-728 (2001. 10).

37. M. H. Jung, M. Jaime, A.H. Lacerda, G.S. Boebinger, W. N. Kang, H.J. Kim, E.M. Choi, S.I. Lee, "Anisotropic Superconductivity in Epitaxial MgB2 Films", Chem. Phys. Lett. 343, 447-451 (2001. 8).

38. C. U. Jung, Min-Seok Park, W. N. Kang, Mun-Seog Kim, S. Y. Lee, Sung-Ik Lee, "Temperature- and magnetic-field-dependences of normal state resistivity" Physica C 353,162-166 (2001. 5).

39. 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, "Mixed-state Hall effect in Hg- and Tl-based superconducting thin films, Physica C 341-348, 1235-1236 (2000. 11).

40. Jin-Tae Kim, W. N. Kang, S. H. Jung, Sung-IK Lee, Y. K. Park, and J. C. Park, "Critical dynamics of superconducting HgBa2Ca2Cu3Ox", Physica C 341-348, 1245-1246 (2000. 11).

41. W. N. Kang, Sung-Ik Lee, and C.W. Chu, "Oxygen annealing and superconductivity of HgBa2Ca2Cu3O8+y thin films", Physica C 315, 223 (1999).

42. B.W. Kang, J.Z. Wu, W. N. Kang, Q.Y. Chen, W.K. Chu, Z.F. Ren, and J.H. Wang, "Effects of anion doping on Hall sign anomaly in the mixed-state of Tl2Ba2CuO6 thin films", Phil. Mag. Lett. 79, 41-48 (1999. 10).

43. B.W. Kang, Z.J. Wu, W. N. Kang, Q.Y. Chen, W.K. Chu, D.K. Christen, R. Kerchner, "Effect of in-plane vortex coupling on Hall conductivity in high-Tc superconducting thin films", Phys. Lett. A 262, 90-95 (1999. 10).

44. Wan-Seon Kim, W. N. Kang, S. J. Oh, Mun-Seog Kim, Yujoung Bai, Sung-Ik Lee, Chang Ho Choi, and H.-C. Ri, "Temperature-scaling behavior of the Hall conductivity for Hg-based superconducting thin films", Physica C 324, 77-82 (1999. 10).

45. Jin-Tae Kim, Y.K. Park, J.-C. Park, W. N. Kang, C.W. Chu, H.R. Lim, D.H. Kim, J.U. Lee, and K.E. Gray, "Pinning effect on critical dynamics in Tl2Ba2CaCu2O8 films before and after introducing columnar defects", IEEE Trans. Appl. Supercond. 9, 2296-2299 (1999. 6).

46. B.W. Kang, J.Z. Wu, W. N. Kang, Q.Y. Chen, W.K. Chu, D.K.Christen, H.R. Kerchner, and A. Gapud, "Mixed-state Hall effect in HgBa2CaCu2Ox thin films with columnar defects", J. of Supercond. 11, 163-167 (1998. 8).

47. R.L.Meng, C. Garcia, Y.Q. Wang, W. N. Kang, I. Rusacova, and C.W. Chu, "Processing of low cost Bi2Sr2CaCu2O8 tapes", Physica C 306, 223-227 (1998. 9).

48. Jin-Tae Kim, W. N. Kang, H.R. Lim, D.H. Kim, Y.K. Park, J.-C. Park, C.H. Kim, T.S. Hahn, S.S. Choi, J.D. Hettinger, and K.E. Gray, "Pinning effect on critical dynamics in YBa2Cu3Ox films with inherent random disorder and with columnar  defects", Physica C 301, 99-103 (1998. 5).

49. S. C. Byeon, K.S. Hong, J.G. Park, and W. N. Kang, "Origin of the increase in resistivity of manganese-zinc ferrite polycrystals with oxygen partial pressure", J. Appl. Phys. 81, 7835 (1997).

50. J.Z. Wu, S. H. Yun, A.A. Gupard, B.W. Kang, W. N. Kang, S.C. Tidrow, T.P. Monahan, X.T. Cui, and W.K. Chu, "Epitaxial growth of HgBa2CaCu2O6+ thin films on SrTiO3 substrates", Physica C 277, 219  (1997).

51. J.Z. Wu, S.H. Yun, A. Gapud, B.W. Kang, W. N. Kang, S.C. Tidrow, D. Eckart, X.T. Cui, W.K. Chu, "Fast temperature ramping Hg-vapor annealing process for fabrication of Hg-based superconducting thin films", IEEE Trans. Appl. Supercond. 7, 1907-1910 (7, 1997).

52. W. N. Kang, Y.H. Kim, C.H. Kim, T.S. Hahn, S.S. Choi, J.W. Jang, and I.T. Kim, "Thickness Dependence of crystalline orientation in YBa2Cu3Ox thin films grown by metalorganic chemical vapor deposition" J. Matter. Sci. Lett. 15, 1898 (1996).

53. J. H. Park, D.  H. Kim, Y.  H. Kim, W.  N. Kang, S.  S. Choi, T. S. Hahn, and Z. G. Khim, "Photoresponse  of  a YBa2Cu3Oxgrain-boundary junction", J. Appl.  Phys 79, 3770 (1996).

54. Sang Young Lee, G. B. Kim, S. T. Kim, W. N. Kang, T. S. Hahn, S. S. Choi, B. Oh, T. W.  Choi, S.  H. Moon,  and A.  G. Denisov,  "A comparative  study on the microwave penetration  depth of  various YBa2Cu3Ox thin  films",  Physica  C 244, 63 (1995).

55. D. H. Kim, W. N. Kang, Y. H.  Kim, J. H. Park, J. J. Lee, G. H. Yi, T. S. Hahn, and S. S. Choi, "Voltage noise and  vortex states in YBa2Cu3Ox films", Physica C 246, 235 (1995).

56. W.  N. Kang, D. H.  Kim, J. H.  Park, T. S. Hahn,  S. S. Choi, and  K. E. Gray, "Origin of 1/f noise  peaks YBa2Cu3Ox films in a magnetic  field", Physica C 233, 402 (1994).

57. Y. S.  Yoon, W. N. Kang,  S. S. Yom, T. W.  Kim, M. Jung, T.H.  Park, K. Y. Seo, J. Y. Lee,  "Structural properties  of titanium dioxide  films grown  on p-Si by metal-organic chemical  vapor deposition at low  temperature", Thin Solid Films 238, 12 (1994).

58. W. N. Kang, H. S. Shin, Y. S. Yoon, S. S. Choi, and S. S. Yom, "Superconducting YBa2Cu3Ox thin films  prepared  by  dc  plasma chemical  vapor deposition", Supercon. Sci. Technol. 7, 333 (1994).

59. T. R. Yang,  H. E. Horng, H. C. Yang, I. J. Jang, W. N.  Kang, and  S. S. Yom, "Infrared properties of Single Crystal MgAl2O4, a substrate for high-temperature superconducting films", Physica  C 235-240, 1445 (1994).

60. T. W. Kim, S.  S. Yom, W. N. Kang, Y. S. Yoon, Chayeon Kim, Sungtae Kim, I. S. Yang, and Y. J. Wee, "Structural and electrical properties of Al2O3 thin films on p-Si grown by low-pressure metalorganic chemical vapor deposition", Applied Surface Science 65/66, 854 (1993).

61. T. W. Kim, W. N. Kang, Y. S. Yoon, S. S. Yom, J. Y. Lee, Chyeon Kim, H. Lim, and H. L. Park,  "The interfacial layer formation of the Al2O3/Si structures grown by low-pressure metalorganic chemical vapor deposition", J. Appl. Phys. 74, 760 (1993).

62. T. W. Kim, M. Jung, Y. S. Yoon, W. N. Kang, H.  S. Shin, S. S. Yom, and Jong Yong Lee,  "Electrical microstructural properties of BaTiO3 thin films on p-Si substrates grown by metalorganic chemical vapor deposition, Solid State Commun. 86, 565 (1993).

63. Y.  S. Yoon, W.  N. Kang, H. S.  Shin, and S.  S. Yom, "Structural properties of BaTiO3 thin films on Si grown by metalorganic chemical vapor deposition", J. Appl. Phys. 73, 1547 (1993).

64. S. S. Yom, W. N. Kang, Y. S. Yoon, J. I. Lee, D. J. Choi, T. W. Kim, K. Y. Seo, P. H.  Hur, and C. Y. Kim,  "Growth of Al2O3thin films on Si by low-pressure  metalorganic chemical vapor deposition", Thin Solid Films 213, 72 (1992).

65. S. S. Yom and W. N.  Kang, "Growth of YBa2Cu3Ox films on Si with Al2O3buffer layer and on LiNbO3by in-situ metalorganic chemical vapor deposition", Chinese  Journal of Physics 30, 925 (1992).

66. Soon-Gil Jung, W. K. Seong, W. N. Kang, Eun-Mi Choi, Heon-Jung Kim, Sung-Ik Lee, Hyeong-Jin Kim, H. C. Kim, "Scaling behavior of mixed-state Hall effect in MgB2 thin films", Physica C 450, 114-117 (2006. 12)

67. B. B. Jin, T. Dahm, F. Kadlec, P. Kuzel, 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. Klein1. "Microwave and Terahertz Surface Resistance of MgB2 Thin Films", Journal of Superconductivity and Novel Magnetism, Vol. 19, Nos. 7–8, (November 2006)

68. Soon-Gil Jung, W. K. Seong, Ji Young Huh, T. G. Lee, W. N. Kang, Eun-Mi Choi, Heon-Jung Kim, Sung-Ik Lee, "Hall conductivity and the vortex phase in MgB2 thin films", Supercond. Sci. Technol. 20, 129-132 (2007. 1.2).

69. Tae Gyoung Lee , Won Nam Kang , Young Ju Park and Eun Kyu Kim  "Fabry-Perot Interference Characteristics of the Photoluminescence in Nanoclustered SiNx:H Thick Films" JKPS, 2007 50:581-585.

70. W. K. Seong, J. Y. Huh, Soon-Gil Jung, W. N. Kang, H. S. Lee, E. M. Choi and Sung-Ik Lee "Growth of Superconducting mgb2 Thin Films by Using Hybrid Physical-Chemical Vapor Deposition" JKPS, 2007 51:174-177

71. J. Y. Huh, W. K. Seong, T. G. Lee, W. N. Kang , N. K. Yang, J. G. Park "Prepatation of Epitaxial MgB2 Thick Films at Low Temperatures by hybrid physical-chemical vapor deposition" JKPS, Vol. 51, No. 5, November 2007, pp. 1743 1747

72. Ji Young Huh, Won Kyung Seong , Soon-Gil Jung, and W. N. Kang " Influence of Mg Deficiency on the Superconductivity in MgB2 Thin Films Grown by using HPCVD " Supercond. Sci. Technol. 20 (2007) 1169–1172

73. Ji Young Huh, Won Kyung Seong , Soon-Gil Jung, and W. N. Kang " Growth of High-quality MgB2 Thick Films at various Temperatures by hybid physical-chemical vapor deposition and Vacuum-Annealing Effect" JKPS, 2007  :submitted

74. F. Colauto a, P. Orgiani b, X.X. Xi b, W.N. Kang c, E.M. Choi c, H.J. Kim c, S.I. Lee c, E. Patin˜o d, M.G. Blamire d, W.A. Ortiz "Fluctuations on the magnetic response of superconducting thin films of Nb and MgB2 – Percolation limit of vortex mobility" Physica C 460–462 (2007) 1268–1269

75. Won Kyung Seong, Ji Young Huh, Won Nam Kang,* Jeong-Woon Kim, Yong-Seung Kwon, Nam-Keun Yang, and Je-Geun Parks "Growth of Epitaxial MgB2 Thick Films with Columnar Structures by Using HPCVD" Chem. Vap. Deposition 2007, 13, 680–683

76. Dong Ho Kim , Hye-Young Kim , Tae-Jong Hwang, Won-Kyung Seong, and Won Nam Kang, " Angular dependent transport properties of MgB2 films with columnar grains, " Physica C 468, 426–431 (2008.3.1).

77. Soon-Gil Jung, N. H. Lee, W. K. Seong, W. N. Kang, Eun-Mi Choi, and Sung-Ik Lee, " Growth of MgB2 thin films by using a novel laser-assisted chemical vapor deposition technique, " Supercond. Sci. Technol. 21, 085017 (2008.8).

78. Soon-Gil Jung, W. K. Seong, N. H. Lee, Mahipal Ranot, and W. N. Kang, " Possible origin of double-peak behavior of the pinning force density in thick MgB2 films with columnar structures, " Journal of the Korean Physical Society 53, 727-731(2008.8.14).

79. W. K. Seong, J. Y. Huh, W. N. Kang, N. K. Yang, J. G. Park, Jun-Ki Chung, and Chel Jin Kim, " Growth of Epitaxial MgB2 Thick Films with Columnar Grains by Using Hybrid Physical-Chemical Vapor Deposition, " Journal of the Korean Physical Society 53, 1057-1060 (2008.8.14).

80. T.G. Lee, S.W. Park, W.K. Seong, J.Y. Huh, S.-G. Jung, B.K. Lee, K.-S. An, and W.N. Kang, " Growth of MgB2 Thin Films on Alumina-Buffered Si Substrates by using Hybrid Physical-Chemical Vapor Deposition Method, " Physica C 468, 1888-1891 (2008.9.15).

81. W.K. Seong and W.N. Kang, " Superconductivity of Epitaxial MgB2 Thick Films and MgB2 Nanowires Grown by Hybrid Physical-Chemical Vapor Deposition, " Physica C 468, 1884-1887 (2008.9.15).

82. J.H. Lim, K.T. Kim, E.C. Park, C.M. Lee, J.H. Shim, J. Joo, W.N. Kang, and C. Kim, " Effect of carbon black doping on the microstructure and critical properties of MgB2 superconductor, " Physica C 468, 1379–1382 (2008.9.15).

83. J.H. Lim, S.H. Jang, S.M. Hwang, J.H. Choi, J. Joo, W.N. Kang, and C. Kim, " Effects of the sintering temperature and doping of C60 and SiC on the critical properties of MgB2, " Physica C 468, 1829–1832 (2008.9.15).

84. Eun-Mi Choi, V V Yurchenko, T H Johansen, Hyun-Sook Lee, Jae Yeap Lee,Won Nam Kang and Sung-Ik Lee, " Suppression of dendritic flux jumps in MgB2 films coated with a gold rim ", Supercond. Sci. Technol.22, 015011 (2009.1).

85. Soon-Gul Lee, Sung-Hak Hong, Won Nam Kang and Dong Ho Kim, " MgB2 grain boundary nanobridges prepared by focused ion beam ", Journal of Applied Physics 105, 013924 (2009.1).

86. Tae Gyoung Lee, Mahipal Ranot, Won Kyung Seong, Soon-Gil Jung, W N Kang, J H Joo, C-J Kim, B-H Jun, Youngha Kim, Y Zhao and S X Dou, " Fabrication of superconducting MgB2 thin films on textured Cu(100) tape by hybrid physical-chemical vapor deposition ", Supercond. Sci. Technol. 22, 045006 (2009.4).

87. Soon-Gul Lee, Sung-Hak Hong, Won Kyung Seong and Won Nam Kang, " All focused ion beam fabricated MgB2 inter-grain nanobridge dc SQUIDs ", Supercond. Sci. Technol. 22, 064009 (2009.6).

88. Soon-Gil Jung, S W Park, W K Seong, Mahipal Ranot, W N Kang, Y Zhao and S X Dou, " A simple method for the enhancement of Jc in MgB2 thick films with an amorphous SiC impurity layer", Supercond. Sci. Technol. 22, 075010 (2009.7).

 


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