ULTRASONIC ATTENUATION IN MNF2

被引:23
作者
EVANS, RG
机构
[1] Department of Physics, University of Essex, Colchester, Essex, Wivenhoe Park
基金
美国国家科学基金会;
关键词
D O I
10.1016/0375-9601(68)90854-2
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Ultrasonic attenuation measurements near the Néel point, TN, in MnF2 have been performed over a range of frequencies. The temperature dependence of the attenuation, α, is given by αT ∝ ω2(T-TN)-0.53±0.05 for T > TN and αT ∝ ω2(TN-T)-0.29±0.03. for T < TN. © 1968.
引用
收藏
页码:451 / &
相关论文
共 6 条