Dynamic magnetoelastic boundary conditions and the pumping of phonons

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

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Article number014403
JournalPhysical Review B
Volume104
Issue number1
DOIs
Publication statusPublished - 2021 Jul 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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