@article{Bihler2009Spinw-52594,
  year={2009},
  doi={10.1103/PhysRevB.79.045205},
  title={Spin-wave resonances and surface spin pinning in Ga<sub>1−x</sub>Mn<sub>x</sub>As thin films},
  number={4},
  volume={79},
  issn={2469-9950},
  journal={Physical Review B},
  author={Bihler, Christoph and Schoch, Wladimir and Limmer, Wolfgang and Gönnenwein, Sebastian T. B. and Brandt, Martin S.},
  note={Article Number: 045205}
}

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    <dc:contributor>Schoch, Wladimir</dc:contributor>
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    <dc:creator>Schoch, Wladimir</dc:creator>
    <dcterms:abstract xml:lang="eng">We investigate the dependence of the spin-wave resonance (SWR) spectra of Ga&lt;sub&gt;0.95&lt;/sub&gt;Mn&lt;sub&gt;0.05&lt;/sub&gt;As thin films on the sample treatment. We find that for the external magnetic field perpendicular to the film plane, the SWR spectrum of the as-grown thin films and the changes upon etching and short-term hydrogenation can be quantitatively explained via a linear gradient in the uniaxial magnetic anisotropy field in growth direction. The model also qualitatively explains the SWR spectra observed for the in-plane easy-axis orientation of the external magnetic field. Furthermore, we observe a change in the effective surface spin pinning of the partially hydrogenated sample, which results from the tail in the hydrogen-diffusion profile. The latter leads to a rapidly changing hole concentration/magnetic anisotropy profile acting as a barrier for the spin-wave excitations. Therefore, short-term hydrogenation constitutes a simple method to efficiently manipulate the surface spin pinning.</dcterms:abstract>
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    <dc:contributor>Limmer, Wolfgang</dc:contributor>
    <dc:creator>Gönnenwein, Sebastian T. B.</dc:creator>
    <dcterms:title>Spin-wave resonances and surface spin pinning in Ga&lt;sub&gt;1−x&lt;/sub&gt;Mn&lt;sub&gt;x&lt;/sub&gt;As thin films</dcterms:title>
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    <dc:creator>Limmer, Wolfgang</dc:creator>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-01-28T10:36:56Z</dc:date>
    <dc:contributor>Brandt, Martin S.</dc:contributor>
    <dc:creator>Brandt, Martin S.</dc:creator>
    <dcterms:issued>2009</dcterms:issued>
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