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

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页码：L21 / L27

页数：7

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