Magnetic Anisotropy Dispersion With Exchange Energy in Soft Ferromagnetic Thin Films

被引：10

作者：

Dubuget, Vincent ^{[1
,2
]}

Dubourg, Sebastien ^{[1
]}

Thibaudeau, Pascal ^{[1
]}

Duverger, Francois ^{[1
]}

机构：

[1] CEA Le Ripault, Lab Mat Opt & Magnet, F-37260 Monts, France

[2] Univ Tours, CNRS, CEA, UMR 6157,LEMA, F-37200 Tours, France

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 05期

关键词：

Amorphous material; exchange energy; ferromagnetic film; initial susceptibility; magnetic anisotropy dispersion; MICROWAVE PERMEABILITY MEASUREMENTS; BEHAVIOR;

D O I：

10.1109/TMAG.2010.2040187

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In ferromagnetic thin films, the effect of the magnetic anisotropy dispersion on the quasi-static susceptibility measured under a static magnetic field is shown. An approach is presented to estimate the anisotropy distribution both in angle and intensity from static and dynamical magnetic measurements. Because the transverse biased susceptibility is not fully described by the single anisotropy model, in particular for H approximate to H-K, either a full magnetic anisotropy dispersion P(phi, H-K) without exchange energy or a double anisotropy modeling coupled by the exchange energy are introduced to access the observed behavior. These two extreme magnetic configurations are discussed.

引用

页码：1139 / 1142

页数：4

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