Dynamic magnetoelastic boundary conditions and the pumping of phonons

Takuma Sato; Weichao Yu; Simon Streib; Gerrit E.W. Bauer

doi:10.1103/PhysRevB.104.014403

Dynamic magnetoelastic boundary conditions and the pumping of phonons

Takuma Sato, Weichao Yu, Simon Streib, Gerrit E.W. Bauer

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We derive boundary conditions at the interfaces of magnetoelastic heterostructures under ferromagnetic resonance for arbitrary magnetization directions and interface shapes. We apply our formalism to magnet|nonmagnet bilayers and magnetic grains embedded in a nonmagnetic thin film, revealing a nontrivial magnetization angle dependence of acoustic phonon pumping.

Original language	English
Article number	014403
Journal	Physical Review B
Volume	104
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.104.014403
Publication status	Published - 2021 Jul 1

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title = "Dynamic magnetoelastic boundary conditions and the pumping of phonons",

abstract = "We derive boundary conditions at the interfaces of magnetoelastic heterostructures under ferromagnetic resonance for arbitrary magnetization directions and interface shapes. We apply our formalism to magnet|nonmagnet bilayers and magnetic grains embedded in a nonmagnetic thin film, revealing a nontrivial magnetization angle dependence of acoustic phonon pumping.",

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Dynamic magnetoelastic boundary conditions and the pumping of phonons

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