Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Feasibility of the replication method for coated conductors

Coated Conductor 에서의 복제방법의 가능성

  • 임선미 (한국과학기술연구원 물리학과) ;
  • 유재은 (한국과학기술연구원 물리학과) ;
  • 염도준 (한국과학기술연구원 물리학과)
  • Published : 2006.09.01
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Abstract

We propose a replication method to solve the problem of large percent failure in texturing processes of coated conductors. This problem is due to the individual texturing process for each coated conductor that is very long tape having no single defect spot. We tested two different methods of replication process that are based on a well-textured Ni template. First method has structure of Ni/BaO/STO/$CeO_2$/SmBCO/Ag. So BaO layer is dissolved in water that we can separate STO/$CeO_2$/SmBCO/Ag layers. In this processing, the property of STO is conserved but the superconductivity of SmBCO is deteriorated. So we can consider another method. Second method has structure of template(STO)/BaO/STO/Pt/STO. After dissolving BaO then we deposited YBCO. The result of these experiments showed the feasibility of replication.

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