Formation and texture of Bi-2223 phase during sintering in high magnetic fields

X. Y. Lu, A. Nagata, Kazuo Watanabe, T. Nojima, K. Sugawara, S. Hanada, S. Kamada

研究成果: Conference article査読

20 被引用数 (Scopus)

抄録

The formation and texture of Bi-2223 phase during sintering in high magnetic fields were investigated. Samples contained in silver crucibles were sintered at different temperatures from 835 to 860 °C for 120 h in a vertical tube furnace installed in a solenoid-type superconducting magnet. A vertical magnetic field, Ha of 10 T can be applied parallel to the long axis of the furnace. It has been found that the mixed structures of the Bi-2223 and the Bi-2212 grains with their c-axis parallel to the magnetic field are formed in samples sintered at 850-855 °C in 10 T magnetic field. Below 845 °C sintering in 10 T, a high proportion of Bi-2223 phase is obtained, however no preferred orientation is observed. It is suggested that a liquid phase is important for the formation of the textured structure in magnetic fields.

本文言語English
ページ(範囲)453-457
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月
イベントProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
継続期間: 2002 11月 112002 11月 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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