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Berlin 2018 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 21: Poster I

MA 21.31: Poster

Dienstag, 13. März 2018, 09:30–13:00, Poster A

Spin-Wave Reciprocity in the Presence of Néel Walls — •Lukas Körber, Kai Wagner, Attila Kákay, and Helmut Schultheiss — Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany

We report on the reciprocity of channeled spin waves in a 180° Néel wall with special focus on the in-plane curling of the magnetization. In particular, the dispersion relation, phase fronts and frequency-dependent spin-wave intensites where studied by means of micromagnetic simulations. Despite the strong curling of the magnetization at the center of the Néel wall, non-reciprocity is only found in the domains whereas the wall acts as a reciprocal channel.

Corresponding paper: L. Körber, K. Wagner, A. Kákay, H. Schultheiss "Spin-wave reciprocity in the presence of Néel walls" IEEE Magnetic Letters PP, 99 (2017), DOI: 10.1109/LMAG.2017.2762642

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