日本結晶成長学会誌
Online ISSN : 2187-8366
Print ISSN : 0385-6275
ISSN-L : 0385-6275
Er-Ba-Cu-Pt-O系新化合物の結晶構造および物性
宍戸 統悦福田 承生豊田 直樹請井 一利佐々木 孝彦
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1988 年 14 巻 3-4 号 p. 199-203

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A new compound Er_2Ba_2Cu<1+χ>Pt<1-χ>O_8 (χ≒0.1) was discovered as single crystals. X-ray crystal structure analysis revealed that the crystal structure is orthorhombic (space group: Pcmn) with cell dimensions of a= 10.287 (3) Å, b=5.659 (1) Å and c=13.157 (3) Å, The crystal contains double zig-zag chains composed of Cu, O and Pt ions running parallel to the b axis. A Iarge diamagnetic transition was observed below 80-90 K in the aggregates of the single crystals. However we can not draw, at present, a definitive conclusion as to whether the new compound is really the superconductor or not. Further investigation on the magnetic and electrical properties are now in progress.

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© 1988 日本結晶成長学会
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