과제정보
This work was supported by the National Research Foundation Grant (NRF-2020M2D8A2047959) funded from Ministry of Science and ICT(MSIT) of Republic of Korea.
참고문헌
- J. Nagamatsu, N. Nakagawa, T. Muranaka, Y. Zenitani, and J. Akimitsu, "Superconductivity at 39 K in magnesium diboride," Nature, vol. 410, pp. 63-64, 2001. https://doi.org/10.1038/35065039
- R. Musenich, P. Fabbricatore, S. Farinon, M.Greco, M. Modica, R. Marabotto, R. Penco, M. Razeti, and D. Nardelli, "The behaviour of cryogen-free MgB2 react and wind coils," Supercond. Sci. Technol., vol. 19, pp. S126-S131, 2006. https://doi.org/10.1088/0953-2048/19/3/018
- K. Vinod, R. G. Abhilash Kumar and U. Syamaprasad, "Prospects for MgB2 superconductors for magnet application," Supercond. Sci. Technol., vol. 20, pp. R1-R13, 2007. https://doi.org/10.1088/0953-2048/20/1/R01
- B. A. Glowacki, M. Majoros, M. Vickers, J. E. Evetts, Y. Shi and I. McDougall, "Superconductivity of powder-in-tube MgB2 wires," Supercond. Sci. Technol., vol. 14, pp. 193-199, 2001 https://doi.org/10.1088/0953-2048/14/4/304
- S. X. Dou, S. Soltanian, J. Horvat, X. L. Wang, S. H. Zhou, M. Ionescu, and H. K. Liu, P. Munroe, M. Tomsic, "Enhancement of the critical current density and flux pinning of MgB2 superconductor by nanoparticle SiC doping," Appl. Phys. Lett., vol. 81, pp. 3419-3421, 2002. https://doi.org/10.1063/1.1517398
- B.-H. Jun, Y.-J. Kim, K. S. Tan and C.-J. Kim, "Effective carbon incorporation in MgB2 by combining mechanical milling and the glycerin treatment of boron powder," Supercond. Sci. Technol., vol. 21, 105006, 2008. https://doi.org/10.1088/0953-2048/21/10/105006
- M. Haruta, T. Fujiyoshi, T. Sueyoshi, K. Miyahara, T, Ikegami, K. Ebihara, R. Miyagawa, N. Ishikawa, S. Awaji, k. Watanabe, "Influence of columnar defects on pinning parameters in high-Tc superconductors", Physica C, vol. 412-414, pp. 511-514, 2004. https://doi.org/10.1016/j.physc.2004.02.194
- D. Behera, T. Mohanty, S.K. Dash, T. Banerjee, D. Kanjilal, N.C. Mishra, "Effect of secondary electrons from latent tracks created in YBCO by swift heavy ion irradiation", Radiation measurement, vol. 36, pp. 125-129, 2003. https://doi.org/10.1016/S1350-4487(03)00108-2
- Y. H. Herr, K.-H. Lee, C.-J. Kim, H.-G. Lee, C.-T. Kim, G.-W. Hong, D.-Y. Won, "Effect of neutron irradiation on Tc of Pb-doped BiSrCaCuO superconductor," Jpn. J. Appl. Phys., vol. 28, No. 9, L1561-L1563, 1989. https://doi.org/10.1143/JJAP.28.L1561
- Y. J. Lee, J. H. Choi, B.-H. Jun, J. Joo, C. S. Kim, and C.-J. Kim, "Effects of electron beam irradiation on the superconducting properties of YBCO thin films," Prog. Supercond. Cryogen., vol. 18, pp. 15-20, 2016. https://doi.org/10.9714/psac.2016.18.4.015
- C.-J. Kim, Y. J. Lee, I. H. Cho and B.-H. Jun, "Superconducting properties and microstructure of electron beam irradiated MgB2 superconductors," Prog. Supercond. Cryogen., vol. 24, pp. 18-22, 2022.
- T. Yano, M. Pekala, A. Q. He, A. Wisniewski, M. L. Jenkins, "Microstructural observations on neutron-irradiated YBa2Cu4O8 superconductor", Physca C, vol. 247, pp. 55-61, 1995 https://doi.org/10.1016/0921-4534(95)00190-5
- M. Akiyoshi, K. Hashimoto, T. Yano, "Neutron- and electronirradiation effects on the microstructure of YBa2Cu4O8 observed by HREM", Physica C, vol. 338, pp. 103-109, 2000. https://doi.org/10.1016/S0921-4534(00)00210-0
- M. Eisterer, M. Zehetmayer, S. Tonier, H. W. Weber, M. Kambara, N. Hari Babu, D. A. Cardwell and L. R. Greenwood, "Neutron irradiation of MgB2 bulk superconductors", Supercond. Sci. Technol., vol. 15, pp. L9-L12 2002. https://doi.org/10.1088/0953-2048/15/2/101
- S. Okayasu, M. Sasase, K. Hojou, Y. Chimi, A. Iwase, H. Ikeda, R. Yoshizaki, T. Kambara, H. Sato, Y. Hamatani, A. Madeda, "Irradiation effects on MgB2 bulk samples and formation of columnar defects in high-Tc superconductor", Physica C, vol. 382 pp.104-107, 2002. https://doi.org/10.1016/S0921-4534(02)01206-6
- M. A. Kirl, "Structure and flux pinning properties of irradiation defects in YBa2Cu3O7-x", Cryogenics, vol. 33. 235-242, 1993. https://doi.org/10.1016/0011-2275(93)90037-O
- R. Kumar, H. M. Agrawal, R. P. S. Kushwaha and D. Kanjilal, "Enhancement of critical current density of MgB2 thin film irradiated with 200 MeV Au ions", Supercond. Sci. Technol., vol. 19, pp. 1047-1050, 2006. https://doi.org/10.1088/0953-2048/19/10/010
- D. N. Kim, B.-H. Jun, S.-D. Park, C.-J. Kim, and H. W. Park, "Effects of the size of Mg powder on the formation of MgB2 and the superconducting properties," Prog. Supercond. Cryogen., vol. 18, pp. 9-14, 2016. https://doi.org/10.9714/psac.2016.18.4.009
- B.-H. Jun and C.-J. Kim, "The effect of heat-treatment temperature on the superconducting properties of malic acid-doped MgB2/Fe wire." Supercond. Sci. Technol., Vol. 20, Issue 10, pp. 980-985, 2007. https://doi.org/10.1088/0953-2048/20/10/015
- G. Nishijima, S. J. Ye, A. Matsumoto, K. Togano, H. Kumakura, H. Kitaguchi, and H. Oguro, "Mechanical properties of MgB2 superconducting wires fabricated by internal Mg diffusion process," Supercond. Sci. Technol., vol. 25, 054012, 2012. https://doi.org/10.1088/0953-2048/25/5/054012
- Vickers hardness test: https://en.wikipedia.org/wiki/Vickers_hardness_test
- Crytal structure of Copper: https://en.wikipedia.org/wiki/Copper
- Crytal structure of Niobium: https://en.wikipedia.org/wiki/Niobium
- E. W. H. Kan, W. K. Choi, C. C. Leoy, and W. K. Chim, "Effect of annealing profile on defect annihilation, crystallinity and size distribution of germanium nanodots in silicon oxide matrix," Appl. Phys. Lett. 83, 2058, 2003. https://doi.org/10.1063/1.1608480
- K. Togano, J. M. Hur, A. Matsumoto and H. Kumakura, "Fabrication of seven-core multi-filamentary MgB2 wires with high critical current density by an internal Mg diffusion process," Supercond. Sci. Technol., Vol. 22, 015003, 2009. https://doi.org/10.1088/0953-2048/22/1/015003
- K. Tachikawa, Y. Yamada, K. Katagiri, H. Kumakura, A. Iwamoto, and K. Watanabe, "Effects of Metal Powder Addition in Ni-Sheathed PIT MgB2 Tapes," AIP Conference Proceedings, vol. 711, pp. 561, 2004.