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Regensburg 2019 – scientific programme

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MA: Fachverband Magnetismus

MA 15: Magnetism Poster A

MA 15.58: Poster

Tuesday, April 2, 2019, 10:00–13:00, Poster E

Magnetization dynamics in LSMO-heavy-metal bilayers — •Christopher Heins, Cinja Seick, Vitaly Bruchmann-Bamberg, Daniel Steil, Vasily Moshnyaga, and Henning Ulrichs — I. Physikalisches Institut, Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Goettingen, Germany

On this poster, we report on magnetization dynamics in a bilayer of La1−XSrXMnO3 (LSMO) and a heavy metal (Pt, beta-W). As a necessary prerequisite for further experimental investigations of this sample system, we in particular report on the implementation and application of stripline Ferromagnetic Resonance. With this technique we characterize the spin conductance of the interface between the two materials in the bilayer. When depositing Pt on LSMO, we find a significant increase of the Gilbert damping, whereas the magnetization is not affected. These results serve as guidelines for material selection and sample growth procedures regarding the prospect of time-resolved MOKE experiments including spin current generation in the heavy metal.

We acknowledge financial support by the Deutsche Forschungsgemeinschaft within SFB 1073.

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