Noise-induced resonances in superparamagnetic particles

被引：1
|
作者：
Coffey, WT [1 ]
Crothers, DSF
Déjardin, JL
Kalmykov, YP
Raikher, YL
Stepanov, VI
Titov, SV
机构：
[1] Univ Dublin Trinity Coll, Dept Elect & Elect Engn, Dublin 2, Ireland
[2] Queens Univ Belfast, Dept Appl Math & Theoret Phys, Belfast BT7 1NN, Antrim, North Ireland
[3] Univ Perpignan, Ctr Etud Fondamentales, F-66860 Perpignan, France
[4] UrB RAS, Inst Continuous Media Mech, Perm 614013, Russia
[5] Russian Acad Sci, Inst Radio Engn & Elect, Moscow 141120, Russia
来源：
EUROPEAN MAGNETIC MATERIALS AND APPLICATIONS | 2001年 / 373-3卷
关键词：
single-domain particles; superparamagnetism; noise-induced resonance;
D O I：
10.4028/www.scientific.net/MSF.373-376.125
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nonlinear response of a uniaxially anisotropic superparamagnetic particle subjected to a dc bias and strong ac field is evaluated. For the third harmonic, a non-monotonic dependence of the response amplitude on the strength of the oscillating field (noise-induced resonance) is found.
引用
收藏
页码：125 / 128
页数：4
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