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TFA-MOD법에 의한 YBCO 박막의 열처리변수 효과
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  • TFA-MOD법에 의한 YBCO 박막의 열처리변수 효과
  • Effect of heat-treatment parameter of YBCO film by TFA-MOD process
저자명
장석헌,임준형,김규태,이진성,윤경민,주진호,이희균,홍계원,Jang. Seok-Hern,Lim. Jun-Hyung,Kim. Kyu-Tae,Lee. Jin-Sung,Yoon. Kyung-Min,Joo. Jin-Ho,Lee. Hee-G
간행물명
Progress in superconductivity
권/호정보
2006년|7권 2호|pp.135-139 (5 pages)
발행정보
한국초전도학회
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정기간행물|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

We fabricated YBCO coated conductors (CCs) by TFA-MOD process and evaluated microstructure, texture formation, and critical temperature ($T_c$) and current ($I_c$). YBCO precursor solution was synthesized using metal-trifluoroacetates and dip coated on $LaAlO_3$(LAO) substrate. The phase formation and microstructure was characterized by X-ray diffraction and scanning electron microscopy (SEM) and the degree of texture was evaluated by pole-figure analysis. The CC was heat-treated in various calcining temperatures ($370^{circ}C-460^{circ}C$) and firing temperatures ($750^{circ}C-800^{circ}C$). As fired at $775^{circ}C$ for 4h, the CC had the highest $T_c$ of 89.5 K and $I_c$ of 40 A/cm-width ($J_c=2.0;MA/cm^2$). Microstructural observation indicated that the YBCO film was dense and homogeneous and had a strong cube texture without formation of second phase and its in-plane full-width at half-maxima; $5.2^{circ}$ under optimum condition.