한국초전도학회:학술대회논문집

The Korean Superconductivity Society (한국초전도학회)
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Texturing of Cu Sheets and Fabrication of Oxide Buffer Layers for YBCO Superconductor Films

YBCO 초전도체막을 위한 Cu 판의 배향화 및 중간 산화층의 제조

  • Kim, Myeong-Hui (Electronic and Optical Materials Laboratory, Dep. of Mat. Sci. & Eng., Korea Advanced Institute of Science and Technology) ;
  • Kim, Eun-Gene (Electronic and Optical Materials Laboratory, Dep. of Mat. Sci. & Eng., Korea Advanced Institute of Science and Technology) ;
  • Han, Sang-Chul (Korea Electric Power Research Institue) ;
  • Sung, Tae-Hyun (Korea Electric Power Research Institue) ;
  • Kim, Sang-Joon (Korea Electric Power Research Institue) ;
  • No, Kwang-Soo (Electronic and Optical Materials Laboratory, Dep. of Mat. Sci. & Eng., Korea Advanced Institute of Science and Technology)
  • 김명희 (한국과학기술원 재료공학과 전자 및 광학재료 실험실) ;
  • 김유진 (한국과학기술원 재료공학과 전자 및 광학재료 실험실) ;
  • 한상철 (한국전력연구원) ;
  • 성태현 (한국전력연구원) ;
  • 김상준 (한국전력연구원) ;
  • 노광수 (한국과학기술원 재료공학과 전자 및 광학재료 실험실)
  • Published : 1999.08.18
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Abstract

The Cu sheets were selected for the substrate of the superconductor films. Pure Cu sheets with the thickness of 50${\mu}$m were fabricated using hot and cold rolling. The Cu sheets were heat treated to induce the biaxial texturing. The z-axis and x-y plane texturing of Cu sheets heat treated at different conditions were analyzed using XRD and a best heat treatment condition for the texturing was selected. ZrO$_2$ film was dip coated on Cu sheets heat treated at the best condition to prevent possible reaction between Cu sheets and YBCO superconductors, to reduce possible cracking due to thermal expansion mismatch and to decrease the lattice mismatch for biaxial texturing. The texturing of the oxide buffer layers were also studied.

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