Observation of ferromagnetic resonance in strontium ruthenate (SrRuO3)

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We report the observation of ferromagnetic resonance (FMR) in SrRuO3 using the time-resolved magneto-optical Kerr effect. The FMR oscillations in the time-domain appear in response to a sudden, optically induced change in the direction of easy-axis anistropy. The high FMR frequency, 250 GHz, and large Gilbert damping parameter, alpha ~ 1, are consistent with strong spin-orbit coupling. We find that the parameters associated with the magnetization dynamics, including alpha, have a non-monotonic temperature dependence, suggestive of a link to the anomalous Hall effect.
submitted to Phys. Rev. Lett

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Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/209585

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0812.0832
 http://arxiv.org/abs/0812.0832

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arXiv