Magnetic properties of single crystals of ludwigites Cu2MBO5 (M = Fe3+, Ga3+)

被引：0
|
作者：
G. A. Petrakovskiĭ
L. N. Bezmaternykh
D. A. Velikanov
A. M. Vorotynov
O. A. Bayukov
M. Schneider
机构：
[1] Russian Academy of Sciences,Kirensky Institute of Physics, Siberian Branch
[2] Siberian Federal University,undefined
[3] Paul Scherrer Institut,undefined
来源：
Physics of the Solid State | 2009年 / 51卷
关键词：
75.10.-b; 75.25.+z; 75.30.-m;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High-quality single crystals of ludwigites Cu2MBO5 (M = Fe3+, Ga3+) have been grown, and the magnetic, resonance, and Mössbauer studies have been performed. It is established that the Cu2FeBO5 and Cu2GaBO5 compounds are antiferromagnets with Néel temperatures of 32 and 3.4 K, respectively. A model of the magnetic structure of the compounds is proposed. It is shown that the magnetic properties of the ludwigites are substantially dependent on the degree of ion distribution over crystallographic positions.
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页码：2077 / 2083
页数：6
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