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

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)L949-L951
JournalJapanese Journal of Applied Physics
Volume29
Issue number6
DOIs
Publication statusPublished - 1990 Jun

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Fingerprint Dive into the research topics of 'In situ preparation of superconducting thick films from rapidly quenched bi-sr-ca-oxide films and surface-oxidized cu plate'. Together they form a unique fingerprint.

Cite this