An effective-field study of Ising metamagnet in an external field

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	An effective-field study of Ising metamagnet in an external field
	J. J. Geng; G. Z. Wei; H. L. Miao
	2008
发表期刊	Journal of Magnetism and Magnetic Materials
ISSN	0304-8853
卷号	320 期号:6 页码:1010-1019
摘要	The phase diagrams and magnetization curves of a two-sublattice Ising metamagnet at infinite temperature with longitudinal crystal field H are investigated by the use of an effective-field theory ( EFT) with correlations. In addition to the second-order transition lines, the first-order transition lines are also presented, since a method to calculate the Gibbs free energy numerically at infinite temperature within EFT is found in this work. The results show that there is no fourth-order critical point or reentrant phenomenon in the phase diagrams given by using EFT as found by using mean-field theory (MFT). (C) 2007 Elsevier B. V. All rights reserved.
部门归属	[geng, jiajia; wei, guozhu; miao, hailing] northeastern univ, coll sci, shenyang 110004, peoples r china. [wei, guozhu] acad sinica, int ctr mat phys, shenyang 110015, peoples r china.;wei, gz (reprint author), northeastern univ, coll sci, shenyang 110004, peoples r china;guozhuwei02@sina.com
关键词	Ising Metamagnet Effective-field Theory Gibbs Free Energy First-order Phase Transition Phase-diagrams Monte-carlo Tricritical Behavior Magnetic-properties Model Antiferromagnet Simulation Stability Anomalies Febr2
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WOS记录号	WOS:000254416300038
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32775
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. J. Geng,G. Z. Wei,H. L. Miao. An effective-field study of Ising metamagnet in an external field[J]. Journal of Magnetism and Magnetic Materials,2008,320(6):1010-1019.
APA	J. J. Geng,G. Z. Wei,&H. L. Miao.(2008).An effective-field study of Ising metamagnet in an external field.Journal of Magnetism and Magnetic Materials,320(6),1010-1019.
MLA	J. J. Geng,et al."An effective-field study of Ising metamagnet in an external field".Journal of Magnetism and Magnetic Materials 320.6(2008):1010-1019.