Processing and superconducting properties of high-Jc bulk YBaCuO prepared by melt process

Mitsuru Morita, Katsuyoshi Miyamoto, Kenji Doi, Masato Murakami, Kiyoshi Sawano, Shoichi Matsuda

研究成果: Article

59 引用 (Scopus)

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The authors tried to produce high critical current density (Jc) bulk superconducting material by a melt process. It became clear that the grain boundary region acts as a weak-link and causes the low Jc of the sintered material. It was found that highly oriented bulk material can be produced by a melt process in YBaCuO system. The authors obtained samples which contained many fine Y2BaCuO5 (211) phases and no grain boundary throughout a region of several tens of cubic millimeters. By magnetization measurements, it was found that Jc exceeded 104 A/cm2 at 77 K and 1 T, which is a promising value for practical applications.

元の言語English
ページ(範囲)383-387
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
172
発行部数3-4
DOI
出版物ステータスPublished - 1990 12 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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