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MA: Fachverband Magnetismus

MA 15: Poster I

MA 15.22: Poster

Dienstag, 18. März 2025, 10:00–12:30, P1

Micromagnetic simulation of an X-shaped crossing controlled by the orientation of an external bias magnetic field — •Sven Niehues, Robert Schmidt, Jannis Bensmann, Steffen Michaelis de Vasconcellos, and Rudolf Bratschitsch — Institute of Physics, University of Münster, Germany

Magnonics is a well-known research field in solid-state physics, which studies magnetic phenomena and the propagation of spin waves and their respective quanta, called magnons. The possibility of steering the propagation direction of spin waves in magnetic insulators such as yttrium iron garnet (YIG) is of crucial importance for the realization of magnonic logic devices. By changing the orientation of the external bias magnetic field relative to the propagation direction, the propagation of spin waves can be manipulated. In this work, numeric simulations of an X-shaped YIG crossing are presented, which allows the steering of spin waves from one input arm into all three output arms at selected frequencies by rotation of the magnetic bias field.

Keywords: magnonics; spin wave; micromagnetic simulation