Extracting anisotropy energy barrier distributions of nanomagnetic systems from magnetization/susceptibility measurements

被引：10
|
作者：
Zheng, Rongkun [1 ]
Gu, Hongwei [2 ]
Zhang, Bei [3 ]
Liu, Hui [4 ]
Zhang, Xixiang [3 ]
Ringer, Simon P. [1 ]
机构：
[1] Univ Sydney, Australia Key Ctr Microscopy & Microanal, Sydney, NSW 2006, Australia
[2] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
[3] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
[4] Nankai Univ, Dept Elect, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 321卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
Magnetic nanoparticles; Nanomagnetism; Anisotropy barrier distribution; Single domain particles; SWITCHING FIELD DISTRIBUTION; DOMAIN FERROMAGNETIC PARTICLE; MAGNETIC-ANISOTROPY; RECORDING MEDIA; TEMPERATURE-DEPENDENCE; SPIN-GLASSES; NANOPARTICLES; RELAXATION; TIME; SUSCEPTIBILITY;
D O I：
10.1016/j.jmmm.2008.12.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Anisotropy barrier distributions of single domain particle systems are an important issue in the nanomagnetism and its applications. Different methods to extract the distribution from temperature, field, or time-dependent magnetization/susceptibility are reviewed and compared. A single domain particle system is measured to test the methods. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：L21 / L27
页数：7
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