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MA: Fachverband Magnetismus
MA 20: POSTER Ib
MA 20.47: Poster
Dienstag, 17. März 2015, 09:30–13:00, Poster A
Current-induced effects in YIG/Pt heterostructures — •Johannes Mendil1, Kevin Garello1, Can Onur Avci1, Morgan Trassin2, Manfred Fiebig2, and Pietro Gambardella1 — 1ETH Zurich, Department of Materials, Magnetism and Interface Physics, Hönggerbergring 64, CH-8093 Zürich, Switzerland — 2ETH Zurich, Department of Materials, Multifunctional Ferroic Materials, Vladimir-Prelog-Weg 4, CH-8093 Zürich, Switzerland
Yttrium Iron Garnet (YIG)/heavy metal bilayers have attracted considerable interest in the field of spintronics due to the possibility of inducing spin currents by magnon excitation and vice versa. In this work, we report on current-induced effects that arise from the interplay of the magnetization in YIG and spin currents generated in Pt. YIG thin films have been prepared by pulsed laser deposition on Gadolinium Gallium Garnet (GGG) substrates followed by in-situ sputtering of 6 nm-thick Pt. We present results on the harmonic analysis of current-induced spin-orbit torques in YIG films of variable thickness.