Magnetoelastic resonance as a probe for exchange springs at antiferromagnet-ferromagnet interfaces

  • In prototype ferromagnet-antiferromagnet interfaces we demonstrate that surface acoustic waves can be used to identify complex magnetic phases arising upon evolution of exchange springs in an applied field. Applying sub-GHz surface acoustic waves to study the domain structure of the ferromagnetic layer in exchange-biased bilayers of Ir20Mn80−Co60Fe20B20, we are able to associate the magnetoelastic resonance with the presence of the exchange spin-spirals in both the ferromagnetic and antiferromagnetic layer. Our findings offer a complementary, integrative insight into emergent magnetic materials for applications of noncollinear spin textures in view of low-energy-consumption spintronic devices.

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Author:K. M. Seemann, O. Gomonay, Y. Mokrousov, Andreas HörnerORCiDGND, S. Valencia, P. Klamser, F. Kronast, A. Erb, A. T. Hindmarch, Achim WixforthORCiDGND, C. H. Marrows, P. Fischer
Frontdoor URL
Parent Title (English):Physical Review B
Publisher:American Physical Society (APS)
Year of first Publication:2022
Publishing Institution:Universität Augsburg
Release Date:2023/05/12
First Page:144432
Institutes:Mathematisch-Naturwissenschaftlich-Technische Fakultät
Fakultätsübergreifende Institute und Einrichtungen
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Experimentalphysik I
Fakultätsübergreifende Institute und Einrichtungen / Kompetenzzentrum für Innovative Technologien - Augsburg Centre for Innovative Technologies (ACIT)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):Deutsches Urheberrecht