Ba0.5Sr0.5CuOz: a new perovskite related structure which forms at high pressure

Takeshi Sakurai, Nobuyuki Sugii, Hirotsugu Takizawa, Michiharu Ichikawa, Yuji Yaegashi, Seiji Adachi, Masahiko Shimada, H. Yamauchi

研究成果: Article査読

8 被引用数 (Scopus)

抄録

A new perovskite related structure was found in the sample of nominal composition of Ba0.5Sr0.5CuOz which was synthesized at a high pressure of 6 GPa. The space group for the new structure was determined to be Pmmm by means of a transmission electron microscopic observation. The lattice parameters were: a=3.92 A ̊, b=3.94 A ̊ and c=7.93 A ̊. In this structure, a cation ordering was revealed by means of a structural simulation. The ordering sequence of atomic layers was as follows: [Sr-CuO2-Ba-CuO2-Sr]. Although no evidences for superconductivity were obtained in the present work, it should be emphasized that compounds of this structure would exhibit superconductivity because CuO2 planes were contained in them.

本文言語English
ページ(範囲)471-475
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
193
3-4
DOI
出版ステータスPublished - 1992 4 15

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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