Surface Analysis of C-Axis-Oriented YBa_2Cu_3O_<7-x> Thin Films by QMS, XPS and LEED: Effects of In-Vacuum Annealing
スポンサーリンク
概要
- 論文の詳細を見る
The effects of in-vacuum annealing on the crystallinity and superconductivity in the surface region of YBa_2Cu_3O_<7-x> thin films were investigated by QMS, XPS and LEED. Contaminated and disordered layers, which were nonsuperconducting phase, covered the film surface after being exposed to air. Surface contaminants are removed by annealing at 350℃ in ultra high vacuum. The orthorhombic YBa_2Cu_3O_<7_x> (001) structure and superconducting phase are obtained at the outermost surface after annealing at 350-400℃.
- 社団法人応用物理学会の論文
- 1991-08-15
著者
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YOSHIDA Noriyuki
Osaka Research Laboratories, Sumitomo Electric Industries Lid.
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IIYAMA Michitomo
Sumitomo Electric Industries, Ltd.
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Nakamura Tetsuro
Department Of Electrical Engineering And Electronics Toyohashi University Of Technology
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Yoshida Noriyuki
Osaka Laboratories Sumitomo Electric Industries Ltd.
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Nakamura Toshihiko
Faculty Of Engineering Tokyo Institute Of Technology
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TANAKA So
Information & Electronic Laboratories, Sumitomo Electric Industries Ltd.
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NAKAMURA Takao
Information & Electronic Laboratories, Sumitomo Electric Industries Ltd.
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IIYAMA Michitomo
Information & Electronic Laboratories, Sumitomo Electric Industries Ltd.
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TAKANO Satoru
Osaka Laboratories, Sumitomo Electric Industries Ltd.
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Iiyama M
Sumitomo Electric Industries Ltd.
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Tanaka So
Transmission Devices R&D Laboratories, Sumitomo Electric Industries, Ltd.
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