New calculations of Gilbert damping in ferromagnetic transition metals

被引：1

作者：

Umerski, A. ^{[1
]}

Edwards, D. M. ^{[2
]}

机构：

[1] Open Univ, Dept Math & Stat, Milton Keynes MK7 6AA, Bucks, England

[2] Imperial Coll London, Dept Math, London SW7 2BZ, England

来源：

8TH JOINT EUROPEAN MAGNETIC SYMPOSIA (JEMS2016) | 2017年 / 903卷

关键词：

D O I：

10.1088/1742-6596/903/1/012056

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Calculations of the Gilbert damping parameter alpha for bulk Ni are presented as a function of the spin-dependent Lorentzian broadening of the one-electron states. The Kambersky formula for alpha is used, correctly restricted to second order in the spin-orbit parameter so that intra band terms are suppressed, and the spin-dependent broadening is deduced from the recent calculations of electron lifetimes due to electron-phonon scattering by Carva et al. The calculated value of alpha for Ni at room temperature is in reasonable agreement with experiment.

引用

页数：3

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