Superconductivity in ba3la2lucu6oy

Takao Watanabe, Kyoichi Kinoshita, Hiroyuki Shibata, Azusa Matsuda, Yoshihiro Asano, Tomoaki Yamada

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Single-phase Ba3La2LuCu6Oy(y͂14) is synthesized. Superconductivity is observed after annealing in oxygen at high pressure; it is a semiconductor without annealing. Power X-ray diffraction shows that annealing changes the crystal structure of Ba3La2LuCu6Oyfrom tetragonal into orthorhombic. Magnetic susceptibility measurements show that Tconset of the annealed sample is around 50 K and about 1% of the volume is superconductive. The analysis shows that the average Cu valence dependence on Tcof Ba3La2LuCu6Oyand Ba2YCu3O7-ydiffers.

本文言語English
ページ(範囲)L1245-L1247
ジャーナルJapanese journal of applied physics
27
7A
DOI
出版ステータスPublished - 1988 7
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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