Growth and characterization of Va-Sn-Ga (Va = Ta, Nb, V) superconducting compounds

J. Ye, H. Horiuchi, T. Shishido, Naoki Toyota, K. Ukei, T. Sasaki, T. Fukuda

研究成果: Article査読

9 被引用数 (Scopus)

抄録

A systematic study of Va-Sn-Ga (Va = Ta, Nb, V) ternary systems has been made from the point of view of crystal growth, crystal structure and physical properties. Applying the self-component flux method where molten tin acted as a solvent, single crystals of new ternary intermetallic compounds Ta5SnGa2, Nb5Sn2Ga and V5Sn5Ga3, were successfully synthesized. The crystal structures of Ta5SnGa2 and Nb5Sn2Ga are very similar each other: both of them belong to the tetragonal system (space group: 14/mcm) and are isostructural with W5Si3. In contrast to them, V5Sn5Ga3, is orthorhombic (space group: Acam) and crystallizes in a new structural type. Superconducting transitions have been observed in Ta5SnGa2 and Nb5Sn2Ga crystals at 1.80 and 1.75 K.

本文言語English
ページ(範囲)969-974
ページ数6
ジャーナルJournal of Crystal Growth
99
1-4
DOI
出版ステータスPublished - 1990 1 1

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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