In situ preparation of superconducting thick films from rapidly quenched bi-sr-ca-oxide films and surface-oxidized cu plate

Tae Hyun Sung, Zenbe E. Nakagawa, Mamoru Yoshimoto, Hideomi Koinuma, Masahiro Yoshimura

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

Superconducting thick films of Bi2Sr2CaCu2Oy are successfully prepared by in situ reaction between amorphous film of Bi2SrCaOx and CuO/Cu substrate. The film of Bi2SrCaOx with a 5 µm thickness reacted with the oxidized copper to yield (00l) oriented Bi2Sr2CaCu2Oy films by heating at 820–850°C for 1–60 min in air. These films showed a superconductivity with the maximum Tc(end)=83 K obtained by heating in air at 855°C for 20 min. Similar superconductivity was obtained by heating thick films at 850°C for short periods such as 1 min.

原文English
頁(從 - 到)L949-L951
期刊Japanese journal of applied physics
29
發行號6
DOIs
出版狀態Published - 1990 6月

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 物理與天文學 (全部)

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