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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Nam-Jin (Department of Physics, KAIST) Oh, Sang-Soo (Korea Electrotechnology Research Institute) Song, Kyu-Jeong (Korea Electrotechnology Research Institute) Ha, Dong-Woo (Korea Electrotechnology Research Institute) Kim, Ho-Sup (Korea Electrotechnology Research Institute) Ha, Hong-Soo (Korea Electrotechnology Research Institute) Ko, Rock-Kil (Korea Electrotechnology Research Institute) Kim, Tae-Hyung (Department of Materials Science and Metallurgy, Kyungpook National Univ.) Kim, Sang-Cheol (Department of Materials Science and Metallurgy, Kyungpook National Univ.) Yu, Kwon-Kuk (Nano & Advanced Materials Corporation) Moon, Seung-Hyun (Nano & Advanced Materials Corporation) Youm, Do-Jun (Department of Physics, KAIST)
저널정보
한국초전도저온학회 한국초전도·저온공학회논문지 한국초전도·저온공학회논문지 제9권 제4호
발행연도
2007.1
수록면
19 - 23 (5page)

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The superconducting properties of several HTS coated conductors (CC), which had different tape structures, fabricated by KERI, X and Y institutes were compared. We have fabricated the $high-J_c$ SmBCO CC, which has 273.5 A/cm, $1.2MA/cm^2$ and 93.5 K for $I_C,\;J_C\;and\;T_{c-zero}$, respectively, using the EDDC (Evaporation using Drum in Dual Chambers) process. Both X and Y institutes CCs, however, were purchased. The n-values of KERI, X and Y institutes CCs are 58.5, 40.7 and 31.5 in $V=1{\sim}10{\mu}V$ criterion, respectively. The in-field properties of $I_C$ at 77K were investigated and the $J_C(B)/J_C(0G)$ at 0.5 T with $B{\perp}$ ab-plane are 0.31, 0.19 and 0.24 for KERI, X and Y institutes CCs, respectively. From the $I_C-{\theta}-B$ measurement, we observed that the ab-plane of ReBCO phase was tilted for the ab-plane of substrate in the KERI and X institutes CCs. The tilted angle is about 5 degree. We confirmed that the peak shift (as an inclined texture) was observed by X-ray (102) pole figures of the SmBCO for the KERI CC.

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