Pulsed field magnetization of melt-processed Y-Ba-Cu-O bulk superconductor with no weak links

Y. Itoh, Y. Yanagi, M. Yoshikawa, Tetsuo Oka, Y. Yamada, U. Mizutani

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The applied field dependence of magnetic flux trapped by the pulsed field magnetization (PFM) method has been investigated for a small melt-processed Y-Ba-Cu-O bulk sample with a symmetric distribution of the trapped flux. It was revealed that the magnetic flux trapped in the sample decreases when the applied field exceeds a critical value, regardless of the existence of weak links, and that the reduction is marked in the center of the sample. Furthermore, the reduction was found to strongly depend not only on the PFM condition responsible for the heat generation but also on the cooling condition to dissipate the heat generated in the sample.

Original languageEnglish
JournalJapanese Journal of Applied Physics, Part 2: Letters
Issue number9 B
Publication statusPublished - 1996 Dec 1
Externally publishedYes


ASJC Scopus subject areas

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

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