Signatures of phase separation across the disorder broadened first order ferromagnetic to antiferromagnetic transition in doped-CeFe2 alloys

被引:30
作者
Sokhey, KJS
Chattopadhyaya, MK
Nigam, AK
Roy, SB
Chaddah, P
机构
[1] Ctr Adv Technol, Low Temp Phys Lab, Indore 452013, India
[2] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
关键词
magnetically ordered materials; metal alloys; phase transitions; electronic transport;
D O I
10.1016/j.ssc.2003.08.036
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Experimental evidences of phase coexistence and metastability are presented over a substantial field-temperature regime across the ferromagnetic to antiferromagnetic transition in CeFe2 based alloys. The idea of phase separation due to the influence of quenched disorder on a first order transition is used to interpret the results. Certain thermomagnetic history effects raise additional questions concerning the kinetics of such phase transitions. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:19 / 23
页数:5
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