Preparation of Superconducting (Bi, Pb)-Sr-Ca-Cu Oxide Tapes with a Highly Oriented Structure by the Solidification Method
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概要
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Composite tapes consisting of Au and superconducting Bi-Sr-Ca-Cu or Bi-Pb-Sr-Ca-Cu oxide with a pseudotetragonal structure were prepared by annealing the oxide phase which was slowly solidified on the Au tape. The oxide phase has a highly oriented structure, and the c plane lies parallel to the surface of the tape. The tapes were found to exhibit zero resistance at temperatures above 100 K as well as good bending flexibility. The critical current density (L_c) at 77 K in the absence of applied field is 96 A/cm^2 for the BiSrCaCu_2O_y-Au tape and 108 A/cm^2 for the Pb_<0.2>BiSrCaCu_<1.5>O_y-Au tape.
- 社団法人応用物理学会の論文
- 1989-11-20
著者
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Inoue Akihisa
Institute For Materials Research
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MASUMOTO Tsuyoshi
The Research Institute of Electrical and Magnetic Materials
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Moroishi K
Hoya Corp. Tokyo Jpn
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Masumoto Tsuyoshi
Institute For Materials Research
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Matsuzaki Kunio
Institute For Materials Research Tohoku University
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Moroishi Keiji
Institute For Materials Research
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Matsuzaki Kunio
Institute For Materials Research
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Inoue Akihisa
Institiute For Materials Resarch Tohoku University
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