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논문 기본 정보

자료유형
학술저널
저자정보
이금영 (Department of Advanced Materials Engineering, Korea Polytechnic University) 권연경 (Department of Advanced Materials Engineering, Korea Polytechnic University) 김병주 (Department of Advanced Materials Engineering, Korea Polytechnic University) 안지현 (Department of Advanced Materials Engineering, Korea Polytechnic University) 이종범 (Department of Advanced Materials Engineering, Korea Polytechnic University) 김호진 (FCB Development team, SAMSUNG ELECTRO-MECHANICS CO., LTD) 이희균 (Department of Advanced Materials Engineering, Korea Polytechnic University) 홍계원 (Department of Advanced Materials Engineering, Korea Polytechnic University) 유재무 (Korea Institute of Machinery and Materials) 이형철 (Kyungpook National University)
저널정보
한국초전도학회 Progress in superconductivity Progress in superconductivity 제8권 제1호
발행연도
2006.1
수록면
87 - 92 (6page)

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The effects of Ba and Ce addition has been investigated in YBCO prepared by trifluoroacetate(TFA) metalorganic depostition(MOD) method. Precursor solutions with cation ratios of Y:Ba:Cu:Ce=1:2+x:3:x(x=0, 0.05, 0.1 and 1.5) have been prepared by adding an excess amount of cerium and barium. Coated film was calcined at lower temperature under a moisture-containing oxygen atmosphere. Superconducting YBCO films have been obtained by performing conversion heat treatment at temperature of $780{\sim}810^{\circ}C$ under a moisture-containing Ar(1,000 ppm oxygen) atmosphere. It has been shown that the critical current($I_c$) of YBCO film was degraded by doping of Ba and Ce atoms. But $I_c$ was increased as the amount of doped Ba and Ce content increased from 5% to 15 %. It was observed that there was little increase of a flux pinning force with Ba and Ce addition in YBCO film prepared by TFA-MOD process.

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