Direct Observation of Magnetic Flux Behavior in High-Tc Oxide Superconductors

S. Gotoh, N. Koshizuka, M. Yoshida, H. Fujimoto, M. Murakami, H. Izumi, K. Ohata

研究成果: Article査読

抄録

The magnetic flux behavior in YBa2Cu3Ox specimens under various applied fields was observed at 10K and 77K using the Faraday effect of an iron garnet film with stripe magnetic domains. The magnetic flux distribution was determined by optical observation of the domain structure in the iron garnet film placed on the sample. The magnetic flux gradients in a crystal fabricated by the Melt-Powder-Melt-Growth (MPMG) method and in a thin film were in good agreement with those predicted by the critical state model at both 10K and 77K. On the other hand, in a sintered sample the flux penetrated through the superconducting weak-link regions, and no flux gradient was observed at 77K.

本文言語English
ページ(範囲)525-532
ページ数8
ジャーナルIEEE Translation Journal on Magnetics in Japan
7
7
DOI
出版ステータスPublished - 1992 7月
外部発表はい

ASJC Scopus subject areas

  • 工学(その他)
  • 工学(全般)

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