Precessional effects in the linear dynamic susceptibility of uniaxial superparamagnets: Dependence of the ac response on the dissipation parameter

被引:26
作者
Coffey, WT [1 ]
Crothers, DSF
Kalmykov, YP
Titov, SV
机构
[1] Trinity Coll Dublin, 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] Russian Acad Sci, Inst Radioengn & Elect, Fryazino 141120, Moscow Region, Russia
关键词
D O I
10.1103/PhysRevB.64.012411
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
It is shown that the low-frequency relaxation spectrum of the linear dynamic susceptibility of uniaxial single domain particles with a uniform magnetic field applied at an oblique angle to the easy axis can be used to deduce the value of the damping constant. © 2001 The American Physical Society.
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页数:4
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