Preparation of T_c=109 K Bi-Sr-Ca-Cu-O Superconducting Thin Films from Amorphous Bi-O/Sr-Ca-Cu-O Structures
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概要
- 論文の詳細を見る
The successful preparation of superconducting Bi-Sr-Ca-Cu-O thin films has been obtained by a new method based on an annealing process of amorphous Bi-O / Sr-Ca-Cu-O layers. Films of Bi-O were deposited on as-sputtered Sr-Ca-Cu-O films on MgO substrates by electron beam evaporation. These Bi-O films were diffused uniformly into Sr-Ca-Cu-O films for crystallization to Bi-Sr-Ca-Cu-O by annealing. A zero resistance temperature as high as 109 K was achieved for a 150 nm-thick sample, in spite of an absence of Pb.
- 社団法人応用物理学会の論文
- 1990-08-20
著者
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Usuki T
Sanyo Electric Co. Ltd. Osaka Jpn
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Usuki T
New Materials Research Center Sanyo Electric Co. Ltd.
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Usuki Tatsuro
New Materials Research Center Sanyo Electric Co. Ltd.
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Nakano Shoichi
Department Of Physiology Tokai University School Of Medicine
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Nakano Shoichi
Sanyo Electric Co. Ltd.
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Nakano Shoichi
Functional Materials Research Center Sanyo Electric Co. Ltd.
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USUKI Tatsuro
Functional Materials Research Center, SANYO Electric Co., Ltd.
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Yoshisato Yorinobu
Tsukuba Research Center Sanyo Electric Co. Ltd.
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Yoshisato Yorinobu
Functional Materials Research Center Sanyo Electric Co. Ltd.
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Yoshida Y
Yamaguchi Univ. Ube‐shi Jpn
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YASUI Ichiro
Functional Materials Research Center, SANYO Electric Co., Ltd.
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Yasui Ichiro
Functional Materials Research Center Sanyo Electric Co. Ltd.
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