Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 30, Issue 24, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-648X/aac152
Keywords
magnetoacoustics; processional switching; surface acoustic waves; magnetic patterning; Kerr microscopy; magnetic semiconductor
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Funding
- French Agence Nationale de la Recherche [ANR13-JS04-0001-01]
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We show on in-plane magnetized thin films that magnetization can be switched efficiently by 180 degrees using large amplitude Rayleigh waves travelling along the hard or easy magnetic axis. Large characteristic filament-like domains are formed in the latter case. Micromagnetic simulations clearly confirm that this multi-domain configuration is compatible with a resonant precessional mechanism. The reversed domains are in both geometries several hundreds of mu m(2), much larger than has been shown using spin transfer torque- or field-driven precessional switching. We show that surface acoustic waves can travel at least 1 mm before addressing a given area, and can interfere to create magnetic stripes that can be positioned with a submicronic precision.
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