한국초전도ㆍ저온공학회논문지 (Progress in Superconductivity and Cryogenics)

  • 제8권1호
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  • Pages.15-18
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  • 2006
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  • 1229-3008(pISSN)
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  • 2287-6251(eISSN)
한국초전도저온학회 (The Korean Society of Superconductivity and Cryogenics)
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F-free Y & Cu 전구용액을 이용한 YBCO 박막 제조

Fabrication of YBCO films in MOD processing using F-free Y & Cu precursor solution

  • 발행 : 2006.03.01
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초록

A new precursor solution wilt low fluorine content was synthesized for MOD processing of coated conductors. In this study, the precursor solution for MOD processing was synthesized using F-free yttrium and copper precursor. It was shown that crack-free and uniform precursor films were formed after calcination in humidified oxygen atmosphere. Less than 2 hours were required to finish the calcination process. The relatively gradual weight loss during the calcination process is attributed to the feasibility of fast calcination profile. The calcined precursor film was converted to a YBCO film without any secondary phases after annealing in wet $Ar/O_2$ atmosphere. Fully converted film shows uniform microstructure and high critical current density. $(Jc=2.7MA/cm^2) $.

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참고문헌

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  6. 김영국, 유재무, 정국채, 고재웅, 김영준, 한봉수, "F-free 구리 전구용액을 이용한 YBCO 박막제조", 한국초전도저온공학회지, 7(3), 5 (2005)