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首页> 外文期刊>International Journal of Quantum Chemistry >Crystal growth, structure determination and magnetism of a new m=3, n=1 member of the A(3n+3m)A ' nB3m+nO9m+6n family of oxides: 12R-Ba12Rh9.25Ir1.75O33
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Crystal growth, structure determination and magnetism of a new m=3, n=1 member of the A(3n+3m)A ' nB3m+nO9m+6n family of oxides: 12R-Ba12Rh9.25Ir1.75O33

机译:新的m = 3,n = 1的A(3n + 3m)A'nB3m + nO9m + 6n氧化物家族的成员的晶体生长,结构确定和磁性:12R-Ba12Rh9.25Ir1.75O33

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摘要

Single crystals of a new Ba-Rh-Ir-O oxide were grown from a molten potassium carbonate flux. The new compound, Ba12Rh9.25Ir1.75O33, is structurally related to the 2H-hexagonal perovskite structure and contains pseudo one-dimensional chains of alternating units of ten face-sharing (Rh/Ir)O-6 octahedra and one (Rh/Ir)O-6 trigonal prism. The magnetic susceptibility of Ba12Rh9.25Ir1.75O33 is featureless, indicating the absence of magnetic order. The oxide is a semiconductor with a room temperature resistance of 280 Omega. (C) 2003 Elsevier Inc. All rights reserved.
机译:从熔融的碳酸钾熔剂中生长出新的Ba-Rh-Ir-O氧化物的单晶。新化合物Ba12Rh9.25Ir1.75O33在结构上与2H-六方钙钛矿结构相关,并包含由十个面共享(Rh / Ir)O-6八面体和一个(Rh / Ir O-6三角棱镜。 Ba12Rh9.25Ir1.75O33的磁化率无特征,表明没有磁序。氧化物是具有280Ω室温电阻的半导体。 (C)2003 Elsevier Inc.保留所有权利。

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