Regensburg 2016 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 48: Poster Session II

MA 48.39: Poster

Donnerstag, 10. März 2016, 15:00–18:00, Poster B1

Spin-torque measurements in NiFe/Pt bilayers with different Pt thickness — •Robert Islinger, Martin Decker, and Martin Obstbaum — Institute for Experimental and Applied Physics, University Regensburg, 93040 Regensburg, Germany

Spin-torque ferromagnetic resonance (ST-FMR) is a reliable method to determine the spin Hall angle in ferromagnetic/normal metal bilayers [1]. In this study we use NiFe/Pt bilayers with varying Pt thickness in order to extract the spin diffusion length and the spin Hall angle. We explain this method in detail and compare the values with modulation of damping and inverse spin Hall effect measurements.

[1] Liu et al. PRL 106, 036601 (2011)