Critical currents and magnetization properties of YBCO prepared by MPMG process

H. Fujimoto, M. Murakami, S. Gotoh, K. Yamaguchi, M. Yoshida, T. Takata, N. Koshizuka, S. Tanaka

研究成果: Article査読

27 被引用数 (Scopus)

抄録

YBaCuO prepared by the Melt-Powder-Melt-Growth (MPMG) process has high critical current density over 30,000 A/cm2 at 77K and 1T. It has been found that non-superconducting Y2BaCuO5 (211) particles dispersed in the 123 superconducting phase are responsible for high J c values. The values of critical current densities increased with increasing the volume fraction of the 211 particles. An anomalous second peak was observed in magnetization loops for some samples which showed a broad T c transition in AC measurements, suggesting that some kinds of defects are responsible for the peak.

本文言語English
論文番号016
ページ(範囲)S93-S96
ジャーナルSuperconductor Science and Technology
5
1S
DOI
出版ステータスPublished - 1992 12月 1
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 凝縮系物理学
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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