Superconducting properties of bulk YBa2Cu3O7-y prepared by a quench and melt growth process

M. Morita, M. Murakami, K. Miyamoto, K. Sawano, S. Matsuda

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Large crystals of YBa2CuO3O7-y were undirectionally and continuously grown by a modified Quench and Melt Growth (QMG) process with a temperature gradient. Superconducting properties of these crystals were measured. Samples prepared by a conventional QMG process without a temperature gradient have high critical current density (Jc) values exceeding 104A/cm2 at 1T and 77K. However, crystals prepared by this process without a temperature gradient were small, i.e. 30mm2×1mm. We modified the QMG method to grow superconducting crystals using a temperature gradient, and obtained large crystals up to 200mm2×1.5mm. It was found that superconducting current flowed throughout the crystal. A Jc value as high as conventional QMG processed materials was confirmed by the magnetic induced field method.

本文言語English
ページ(範囲)1217-1218
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
162-164
PART 2
DOI
出版ステータスPublished - 1989 12
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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