RANDOM FIELD EFFECTS IN A DISORDERED METAMAGNET - MAGNETIC DOMAINS AND THEIR DYNAMICS

被引：4
|
作者：
BERTRAND, D
FERRE, J
MEYER, P
POMMIER, J
KLEEMANN, W
机构：
[1] UNIV PARIS 11, PHYS SOLIDES LAB, F-91405 ORSAY, FRANCE
[2] UNIV DUISBURG, ANGEW PHYS LAB, DUISBURG, GERMANY
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1992年 / 104卷
关键词：
D O I：
10.1016/0304-8853(92)90846-G
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The low temperature (H, T) magnetic phase diagram of the dilute Ising antiferromagnet Fe0.8Mg0.2Cl2 has been determined. A strong time-dependent magnetic hysteresis on mixed phase boundaries is evidenced and is analyzed from the magneto-optical imaging of the evolution of the magnetic domain pattern. This behaviour is attributed to random fields creating a metastable mesoscopic multidomain antiferromagnetic state.
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页码：389 / 391
页数：3
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