Lamellar-like structures in ferrofluids placed in strong magnetic fields

被引：9
|
作者：
Ciftja, Orion [1 ,2 ]
机构：
[1] Prairie View A&M Univ, Dept Phys, Prairie View, TX 77446 USA
[2] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA
来源：
SOLID STATE COMMUNICATIONS | 2009年 / 149卷 / 13-14期
基金：
美国国家科学基金会;
关键词：
Magnetically ordered materials; Phase transitions; RHEOLOGICAL PROPERTIES; DIPOLAR FLUIDS; PARTICLES; SCATTERING; DYNAMICS;
D O I：
10.1016/j.ssc.2009.01.007
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We consider a ferrofluid system consisting of magnetic particles interacting with a magnetic dipole-dipole interaction. We study the strong magnetic field regime where all magnetic dipoles are completely polarized in the direction of the magnetic field. We introduce a lattice gas model that serves to describe space ordering phenomena in such systems. It is found that, within mean field theory, this model predicts a second order phase transition to a phase with inhomogeneous lamellar-like ordering below a certain critical temperature. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：532 / 536
页数：5
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