Effect of Ag addition on cold-seeded melt-growth of Gd-Ba-Cu-O superconductor using Nd123 seed crystal

S. Nariki, N. Sakai, K. Inoue, M. Murakami

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

We investigated the effect of Ag addition on cold-seeded melt-growth of Gd-Ba-Cu-O superconductors using Nd123 seed crystal. We found that a small addition of Ag enlarged the temperature window for stable single-grain growth, since the decomposition temperature of Gd123 decreased with Ag addition. However, Ag addition of more than 5 wt.% restricted the temperature window due to the melting of Nd123 seed crystal which reacted with Ag. The employment of a double layered precursor, which composed of two layers with and without Ag, solved the problem of the diffusion of Ag into the seed crystal. As a result, single grain Gd-Ba-Cu-O/Ag bulks could be obtained in a wide temperature window.

本文言語English
ページ(範囲)468-472
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
392-396
PART 1
DOI
出版ステータスPublished - 2003 10
イベントProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
継続期間: 2002 11 112002 11 13

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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