Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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SmBCO superconducting tape fabricated using co-evaporation method on Ni-W substrate

Ni-W 기판 위에 동시증발법으로 제조한 SmBCO 초전도선재

  • 오상수 (한국전기연구원 초전도재료연구그룹) ;
  • 김호섭 (한국전기연구원 초전도재료연구그룹) ;
  • 하홍수 (한국전기연구원 초전도재료연구그룹) ;
  • 고락길 (한국전기연구원 초전도재료연구그룹) ;
  • 송규정 (한국전기연구원 초전도재료연구그룹) ;
  • 하동우 (한국전기연구원 초전도재료연구그룹) ;
  • 이남진 (한국전기연구원 초전도재료연구그룹) ;
  • 양주생 (한국전기연구원 초전도재료연구그룹) ;
  • 김태형 (한국과학기술원 대학원 물리학과) ;
  • 정예현 (경북대학교 대학원 금속공학과) ;
  • 염도준 (한국과학기술연구원 물리학과)
  • Published : 2006.09.01
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Abstract

Batch type co-evaporation EDDC (Evaporation using Drum in Dual Chambers) system was recently manufactured to fabricate 100m - long SmBCO superconducting coated conductor. As a preliminary study before the fabrication of long tape. short CC samples have been fabricated using the EDDC system and their crystal texture and $I_c$ properties were investigated. $1.2 {\mu}m$-thick SmBCO layers were deposited on $CeO_2/YSZ/CeO_2$ buffered Ni-W tapes. $I_c$ of 128A/cm-w and corresponding $J_c$ of $1.1 MA/cm^2$ at 77K in self-field were obtained for SmBCO CC tape. In-field property of SmBCO CC was confirmed to be better than that of YBCO deposited by PLD.

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References

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