Spatial distribution of trapped magnetic flux in the high-tcsuperconductor y1ba2cu3oii. comparison with the critical state model

Takanobu Kisu, Keiji Enpuku, Keiji Yoshida, Masakatsu Takeo, Kaoru Yamafuji

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3 Citations (Scopus)

Abstract

We measured spatial distributions of the trapped magnetic flux density B in polycrystalline YBaCuO superconductors. It is shown that the spatial distribution of B for external magnetic fields is similar to that predicted from the critical state model of the type II superconductor. Furthermore, the spatial gradient of B becomes steep in proportion to the coupling strength among superconducting grains. It is also shown that the spatial distribution of B changes when the grain-coupling strength is degraded by postannealing around 200ºC.

Original languageEnglish
Pages (from-to)L1287-L1289
JournalJapanese Journal of Applied Physics
Volume27
Issue number7A
DOIs
Publication statusPublished - Jul 1988

All Science Journal Classification (ASJC) codes

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

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