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Enhanced Gilbert Damping in Thin Ferromagnetic Films

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Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.·2002·Physical Review Letters

Abstract

The precession of the magnetization of a ferromagnet is shown to transfer spins into adjacent normal metal layers. This "pumping" of spins slows down the precession corresponding to an enhanced Gilbert damping constant in the Landau-Lifshitz equation. The damping is expressed in terms of the scattering matrix of the ferromagnetic layer, which is accessible to model and first-principles calculations. Our estimates for permalloy thin films explain the trends observed in recent experiments.

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Metadata

Authors
Tserkovnyak, Y., Brataas, A., & Bauer, G. E. W.
Venue
Physical Review Letters
Published
2002-02-28
Volume
88
Issue
11
Pages
117601-117601
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2123618453
Cited by
1,936
References
0
FWCI
16.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Enhanced Gilbert Damping in Thin Ferromagnetic Films. https://app.cochat.ai/papers/10.1103/physrevlett.88.117601
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Tserkovnyak, Y., Brataas, A., & Bauer, G. E. W. (2002). Enhanced Gilbert Damping in Thin Ferromagnetic Films. Physical Review Letters. https://doi.org/10.1103/physrevlett.88.117601

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