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Fiona Sosa-Barth on Muck Rack

Fiona Sosa-Barth

As seen in: Physical Review B
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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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By Marc Rovirola, M. Waqas Khaliq, Travis Gustafson, Fiona Sosa-Barth
| Physical Review B
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.
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