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J. Korean Ceram. Soc. > Volume 30(12); 1993 > Article
Journal of the Korean Ceramic Society 1993;30(12): 1007.
스크린 프린팅법으로 제조된 $YBa_2Cu_3O_x$ 초전도 후막의 특성
김태윤, 김승구1, 김대준1, 현상훈, 정형진1
연세대학교 세라믹공학과
1한국과학기술연구원 세라믹스연구부
Characterization of Screen Printed $YBa_2Cu_3O_x$ Thick Films
ABSTRACT
YBa2Cu3Ox(YBCO) thick films were prepared by a screen printing of the powders, obtained by a coprecipitation in oxalic acid, on the Y2O3-stabilized zirconia substrates and their superconducting properties were determined. TC, JC and the orientation factor of the thick films increased with increasing temperature up to 103$0^{circ}C$ and then the superconducting properties disappeared with further heat treatments. The optimization of JC was achieved by heating thick films at 103$0^{circ}C$ for 7min. In this case the TC of the thick film was determined to be 87.5K. It was observed that TC of thick films depends on the orthorhombicity and JC is likely governed by a microstructure of YBCO rather than by the orientation factor.
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