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首页> 外文期刊>Physica, B. Condensed Matter >Neutron diffraction study of the deoxygenated YSr2Cu3-xFexO6+y (x = 0.8 and 1) compound
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Neutron diffraction study of the deoxygenated YSr2Cu3-xFexO6+y (x = 0.8 and 1) compound

机译:脱氧的YSr2Cu3-xFexO6 + y(x = 0.8和1)化合物的中子衍射研究

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摘要

We have studied the magnetic structure of the oxygen reduced YSr2Cu3-xFexO6+y (x = 0.8 and 1) compound. Three-dimensional (3D) long-range antiferromagnetism was observed and was indexed with propagation vector k = (1/2 1/2 1/2). The only peak with non-zero intensity was (1/2 1/2 3/2). The temperature variation of the thermal average magnetic moment per site showed a complicated structure probably due to the different temperature variation of the magnetic moment at the Cu(1) and Cu(2) sites. The Mossbauer data were fitted taking into account an Fe ordered moment at the Cu(1) sites. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 18]
机译:我们已经研究了氧还原的YSr2Cu3-xFexO6 + y(x = 0.8和1)化合物的磁性结构。观察到三维(3D)远程反铁磁性,并用传播矢量k =(1/2 1/2 1/2)进行索引。具有非零强度的唯一峰是(1/2 1/2 3/2)。每个站点的热平均磁矩的温度变化显示出一个复杂的结构,这可能是由于Cu(1)和Cu(2)站点的磁矩的温度变化不同所致。拟合Mossbauer数据时要考虑到Cu(1)处的Fe有序矩。 (C)1998 Elsevier Science B.V.保留所有权利。 [参考:18]

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