Superconducting properties of Gd123 superconductor fabricated in air

Hiroshi Hinai, Shinya Nariki, Seok Jong Seo, Naomichi Sakai, Masato Murakami, Masahisa Otsuka

Research output: Contribution to journalConference articlepeer-review

27 Citations (Scopus)


Single-grain bulk Gd-Ba-Cu-O superconductors 32 mm in diameter have successfully been grown by melt-processing in air. In contrast to Sm123 and Nd123, the superconducting properties of Gd123 bulk superconductors were not degraded even when they were fabricated in air, which is attributed to the small range of Gd-Ba solid solution. The sample with the chemical composition of Ba-rich Gd123 (Gd0.95Ba2.05Cu3Oy) was also fabricated in air and exhibited superconducting properties superior to those of the sample with the stoichiometric ratio.

Original languageEnglish
Pages (from-to)676-678
Number of pages3
JournalSuperconductor Science and Technology
Issue number6
Publication statusPublished - 2000 Jun 1
Externally publishedYes
EventThe 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn
Duration: 1999 Oct 191999 Oct 22

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry


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