MAGNETIC-BEHAVIOR OF A CR+1.6AT-PERCENT SI SINGLE-CRYSTAL

被引：2
|
作者：
LOURENS, JAJ [1 ]
ALBERTS, HL [1 ]
机构：
[1] RAND AFRIKAANS UNIV,DEPT PHYS,JOHANNESBURG 2006,SOUTH AFRICA
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1993年 / 7卷 / 1-3期
关键词：
D O I：
10.1142/S0217979293001323
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Measurements of thermal expansion and velocity of sound around the Neel temperature (T(N)) of a Cr + 1.6 at.% Si single crystal are presented. A weak continuous transition superimposed on a sharp first-order discontinuity was observed in the thermal expansion near T(N). The continuous component is accurately described by a critical exponent power law. The sound velocity diverges sharply near T(N) in contrast with theoretical predictions for Cr-like itinerant electron antiferromagnets.
引用
收藏
页码：630 / 633
页数：4
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