Superficial aggravation of sputter-deposited Bi-Sr-Ca-Cu-O films by annealing

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作者
Tsuchida, Kanji [1 ]
Ishii, Mamoru [1 ]
Takata, Masasuke [1 ]
Yamashita, Tsutomu [1 ]
机构
[1] Nagaoka Univ of Technology, Japan
关键词
Ceramic Materials--Thin Films - Electric Conductivity--Measurements - Films--Superconducting - Microscopic Examination - Oxides;
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摘要
Films of the Bi-Sr-Ca-Cu-O system were prepared on MgO substrates by RF-magnetron sputtering. After annealing, the films showed a superconducting transition at about 80 K. However, the surfaces of the annealed films changed remarkably for the worse. The effects of the annealing process on the superconducting properties and surface condition of the films were investigated.
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页码:2081 / 2083
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