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Dresden 2017 – scientific programme

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MA: Fachverband Magnetismus

MA 48: Spin Dynamics and Transport: Spin Excitations and Spin Torque Phenomena

MA 48.9: Talk

Thursday, March 23, 2017, 11:45–12:00, HSZ 101

Phase control in magnetic oscillators — •Michael Vogel1, Johannes Wild1, Felix Schwarzhuber1, Bernhard Zimmermann1, Claudia Mewes2, Tim Mewes2, Josef Zweck1, and Christian H. Back11Institut für Experimentelle und Angewandte Physik, Universität Regensburg, Regensburg, Germany — 2MINT Center / Depeartment of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, USA

Magnetic vortex oscillators coupled via their stray fields [K. Yu. Guslienko, et al. PRB 65, 024414 (2001)] are possible building blocks for high frequency logical networks with scalable dynamics and geometries. For information processing in such networks phase control is crucial. Here we present a novel technique to control the phase of two such oscillators by manipulating the saturation magnetization in one of them by Joule heating. This is demonstrated by high resolution, time resolved STXM measurements performed at the MAXYMUS beamline at Bessy II (Berlin, Germany).

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