한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제30권12호
  • /
  • Pages.1007-1014
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  • 1993
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

스크린 프린팅법으로 제조된 $YBa_2Cu_3O_x$ 초전도 후막의 특성

Characterization of Screen Printed $YBa_2Cu_3O_x$ Thick Films

  • 김태윤 (연세대학교 세라믹공학과) ;
  • 김승구 (한국과학기술연구원 세라믹스연구부) ;
  • 김대준 (한국과학기술연구원 세라믹스연구부) ;
  • 현상훈 (연세대학교 세라믹공학과) ;
  • 정형진 (한국과학기술연구원 세라믹스연구부)
  • 발행 : 1993.12.01
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초록

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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