Study of the magnetoelastic effect in nickel and cobalt thin films at GHz range 
using x-ray microscopy

Rovirola, Marc; Waqas Khaliq, M.; Gustafson, Travis; Sosa-Barth, Fiona; Casals, Blai; Hernàndez, Joan Manel; Ruiz-Gómez, Sandra; Niño, Miguel Angel; Aballe, Lucía; Hernández-Mínguez, Alberto; Foerster, Michael; Macià, Ferran

doi:10.1103/PhysRevResearch.6.023285

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Study of the magnetoelastic effect in nickel and cobalt thin films at GHz range using x-ray microscopy

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Ruiz-Gómez, Sandra
Spin3D: Three-Dimensional Magnetic Systems, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Rovirola, M., Waqas Khaliq, M., Gustafson, T., Sosa-Barth, F., Casals, B., Hernàndez, J. M., et al. (2024). Study of the magnetoelastic effect in nickel and cobalt thin films at GHz range using x-ray microscopy. Physical Review Research, 6: 023285, pp. 1-9. doi:10.1103/PhysRevResearch.6.023285.

Cite as: https://hdl.handle.net/21.11116/0000-000F-7B18-D

Abstract

We use surface acoustic waves of 1 and 3 GHz in hybrid piezoelectric-magnetic systems with either nickel or cobalt as a magnetic layer to generate magnetoacoustic waves and directly image them using stroboscopic x-ray magnetic circular dichroism imaging. Our measurements visualize and quantify the amplitudes of both acoustic and magnetic components of the magnetoacoustic waves, which are generated in the ferromagnetic layer and can propagate over millimeter distances. Additionally, we quantified the magnetoelastic strain component for nickel and cobalt through micromagnetic simulations. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.