Fabrication and superconducting properties of Gd-Ba-Cu-O single-grain bulk with barium cerate addition

S. Nariki, N. Sakai, M. Murakami, I. Hirabayashi

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We investigated processing, microstructure and superconducting properties of Gd123 single grain bulk superconductors with a large amount of BaCeO3. The melt-textured bulk samples with compositions of Gd123 : BaCeO3 : Gd211 = 100 : 40-x : x (x = 0-40) plus 20 wt.% of Ag2O and 0.5 wt.% of Pt were fabricated in Ar-1%O2 gas. The single grain bulk samples 25 and 33 mm in diameters were obtained with the composition of x = 5-40. It was observed that BaCeO3 particles of 1-2 μm in diameters and Gd211 particles of 0.5-1 μm in diameters were dispersed in the melt-textured samples. Magnetic trapped fields of the 25 mm-sized samples with x = 10-40 were around 1 T at 77 K and the 33 mm-sized sample with x = 20 was 1.4 T at 77 K.

本文言語English
ページ(範囲)291-294
ページ数4
ジャーナルPhysica C: Superconductivity and its applications
445-448
1-2
DOI
出版ステータスPublished - 2006 10 1

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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