Journal Article

FZJ-2022-03897

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Magnetoelastic resonance as a probe for exchange springs at antiferromagnet-ferromagnet interfaces

Seemann, K. M. (Corresponding author) ; Gomonay, O. ; Mokrousov, Y.FZJ* ; Hörner, A. ; Valencia, S. ; Klamser, P. ; Kronast, F. ; Erb, A. ; Hindmarch, A. T. ; Wixforth, A. ; Marrows, C. H. ; Fischer, P.

2022
Inst. Woodbury, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/32173  doi:10.1103/PhysRevB.105.144432

Abstract: 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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Contributing Institute(s):

1. Quanten-Theorie der Materialien (IAS-1)
2. Quanten-Theorie der Materialien (PGI-1)
3. JARA - HPC (JARA-HPC)
4. JARA-FIT (JARA-FIT)

Research Program(s):

1. 5211 - Topological Matter (POF4-521) (POF4-521)

Appears in the scientific report 2022

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Database coverage:
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