Proceedings of the Korea Institute of Applied Superconductivity and Cryogenics Conference (한국초전도저온공학회:학술대회논문집)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Physical properties with melting temperature and holding time for $YBa_{2}$$Cu_{3}$$O_{x}$ single crystal

Y$Ba_{2}$$Cu_{3}$$O_{x}$단결정의 용융온도 및 유지시간에 따른 물리적 특성 변화

  • 박병삼 (한전전력연구원 신기술센타) ;
  • 한상철 (한전전력연구원 신기술센) ;
  • 한영희 (한전전력연구원 신기술센) ;
  • 정년호 (한전전력연구원 신기술센) ;
  • 윤희중 (한전전력연구원 신기술센) ;
  • 김경진 (한전전력연구원 신기술센) ;
  • 오제명 (한전전력연구원 신기술센) ;
  • 성태현 (한전전력연구원 신기술센타)
  • Published : 2003.10.01
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Abstract

YBa$_2$Cu$_3$O$_{x}$ (Y123) single crystal was grown by TSMG (top seeded melt growth) method. Physical properties of Y123 single crystal were dependent on the shape and distribution of Y2BaCuOx (Y211) in it and on the oxygenation temperature and the holding time. In this work, It was investigated to an optimal oxygenation condition and a dependence of melting temperature and holding time on physical properties. The optimal oxygenation condition was found that it was heat-treated for 30 hours at 45$0^{\circ}C$, Also it was found that the critical current density and the size of Y211 were increased with the melting temperature and the holding time.e.

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