Development of Gd-Ba-Cu-O bulk magnets with very high trapped magnetic field

S. Nariki, N. Sakai, M. Murakami

研究成果: Article査読

43 被引用数 (Scopus)

抄録

The field-trapping characteristics of recently developed Gd-Ba-Cu-O bulk superconductors will be reported. Large Gd-Ba-Cu-O bulk superconductors with Ag addition were melt-textured under controlled oxygen partial pressure of 1.0%. The single domain Gd-Ba-Cu-O bulk samples 24-50 mm in diameter with submicron-sized Gd2BaCuO5 inclusions could be fabricated without cracks. The field trapping abilities of the bulk samples could dramatically be enhanced through the size reduction of Gd2BaCuO5 particles and the enlargement of grain size. The trapped magnetic field of the bulk Gd-Ba-Cu-O superconductor 50 mm in diameter and 30 mm in thickness reached an extremely high value of 2.7 T at 77 K.

本文言語English
ページ(範囲)631-635
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
378-381
PART 1
DOI
出版ステータスPublished - 2002 10 1
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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