Performance of Sm-Ba-Cu-O bulk superconductors for a magnetic bearing

T. Otani, M. Murakami

Research output: Contribution to journalConference articlepeer-review

8 Citations (Scopus)


We have investigated superconducting properties of Sm-Ba-Cu-O bulk superconductors with an emphasis placed on the performance of Sm-Ba-Cu-O as a stator of a magnetic bearing for the flywheel energy storage system in comparison with Y-Ba-Cu-O. Sm-Ba-Cu-O shows higher Jc values or levitation forces, lower creep rate, and lower ac loss than Y-Ba-Cu-O, and therefore one can conclude that Sm-Ba-Cu-O is superior to Y-Ba-Cu-O as a stator material for a magnetic bearing.

Original languageEnglish
Pages (from-to)866-869
Number of pages4
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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