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首页> 外文期刊>Progress in Solid State Chemistry >Structure property relationships of YbFe2O4- and Yb2Fe3O7-type layered oxides: A bird's eye view
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Structure property relationships of YbFe2O4- and Yb2Fe3O7-type layered oxides: A bird's eye view

机译:YbFe2O4-和Yb2Fe3O7型层状氧化物的结构性质关系:鸟瞰图

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摘要

This work surveys the structural and physical properties of layered hexagonal (A(3+)M(3+)O(3))(M2+O) and (A(3+)M(3+)O(3))(2)(M2+O) phases where A(3+) = In, Lu, Y, Yb, M3+ = Fe, Ga and M2+ = Cu, Mg, Zn. This family of compounds is of recent interest because of the trigonal bipyramid coordination that is rarely observed in transition metal oxides. The lattice parameters for a number of the (A(3+)M(3+)O(3))(M2+O) and (A(3+)M(3+)O(3))(2)(M2+O) compositions are provided herein, in addition to the bond lengths and atomic positions of selected compositions. The triangular geometry of the cations in the trigonal bipyramidal layers adds a component of frustration into the system, specifically with the magnetic properties. The work summarized in this review has used cation substitutions into the trigonal bipyramidal site of YbFe2O4-type compounds to further understand how the rare crystallographic coordination dictates the observed physical properties. (C) 2014 Elsevier Ltd. All rights reserved.
机译:这项工作调查层状六方(A(3+)M(3+)O(3))(M2 + O)和(A(3+)M(3+)O(3))( 2)(M2 + O)相,其中A(3+)= In,Lu,Y,Yb,M3 + = Fe,Ga和M2 + = Cu,Mg,Zn。由于在过渡金属氧化物中很少观察到的三角双锥体配位,因此该化合物家族最近受到关注。多个(A(3+)M(3+)O(3))(M2 + O)和(A(3+)M(3+)O(3))(2)(除了所选组合物的键长和原子位置以外,本文还提供了M 2 + O)组合物。三角形双锥体层中阳离子的三角形几何形状给系统增加了挫折感,特别是具有磁性。在这篇综述中总结的工作已经使用了YbFe2O4型化合物的三角双锥体位点的阳离子取代,以进一步了解稀有的晶体配位是如何决定所观察到的物理性质的。 (C)2014 Elsevier Ltd.保留所有权利。

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