Magnetic ordering in EuB6, investigated by neutron diffraction

被引：32
作者：
Henggeler, W [1 ]
Ott, HR
Young, DP
Fisk, Z
机构：
[1] ETH Zurich, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[3] ETH Honggerberg, Festkorperphys Lab, CH-8093 Zurich, Switzerland
[4] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA
来源：
SOLID STATE COMMUNICATIONS | 1998年 / 108卷 / 12期
关键词：
magnetically ordered materials; phase transitions; neutron scattering;
D O I：
10.1016/S0038-1098(98)00470-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
An elastic neutron scattering study of the temperature-dependence of the ordered magnetic moment in EuB6 is presented. The decrease of the saturation magnetization of similar to 7 mu(B) with increasing temperature is shown to follow the Bloch T-3/2-law, with no indication of a spin-gap behavior. The magnetic coupling constant deduced from the Bloch law fit corresponds to a mean-field ordering temperature of similar to 12 K, close to the actually observed ordering temperature and the paramagnetic Curie-temperature deduced from high-temperature magnetic susceptibility. (C) 1998 Elsevier Science Ltd. All rights reserved.
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收藏
页码：929 / 932
页数：4
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