Phase diagram and tricritical behavior of an metamagnet in uniform and random fields

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	Phase diagram and tricritical behavior of an metamagnet in uniform and random fields
	Y. Q. Liang ; G. Z. Wei ; X. J. Xu ; G. L. Song
刊名	Journal of Magnetism and Magnetic Materials
	2010
卷号	322 期号:15 页码:2219-2222
关键词	Ising metamagnet mean-field theory Tricritical point Reentrant phenomenon diluted ising metamagnet monte-carlo model stability anomalies lattice febr2 point state
ISSN号	0304-8853
中文摘要	A two-sublattice Ising metamagnet in both uniform and random fields is studied within the mean-field approach based on Bogoliubov's inequality for the Gibbs free energy. We show that the qualitative features of the phase diagrams are dependent on the parameters of the model and the uniform field values. The tricritical point and reentrant phenomenon can be observed on the phase diagram. The reentrance is due to the competition between uniform and random interactions. (C) 2010 Elsevier B.V. All rights reserved.
原文出处	://WOS:000277241600024
公开日期	2012-04-13
内容类型	期刊论文
源URL	[http://210.72.142.130/handle/321006/31259]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Q. Liang,G. Z. Wei,X. J. Xu,et al. Phase diagram and tricritical behavior of an metamagnet in uniform and random fields[J]. Journal of Magnetism and Magnetic Materials,2010,322(15):2219-2222.
APA	Y. Q. Liang,G. Z. Wei,X. J. Xu,&G. L. Song.(2010).Phase diagram and tricritical behavior of an metamagnet in uniform and random fields.Journal of Magnetism and Magnetic Materials,322(15),2219-2222.
MLA	Y. Q. Liang,et al."Phase diagram and tricritical behavior of an metamagnet in uniform and random fields".Journal of Magnetism and Magnetic Materials 322.15(2010):2219-2222.