Berlin 2018 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 52: Poster II

MA 52.20: Poster

Donnerstag, 15. März 2018, 15:00–18:00, Poster C

Nonlinear response of thin magnetic films to short electromagnetic pulses — •Alexander F. Schäffer and Jamal Berakdar — Institute of Physics, Martin-Luther-Universität Halle-Wittenberg, 06099 Halle (Saale), Germany

We study the response of thin magnetic layers affected by electromagnetic fields induced by short optical or electron pulses, beyond the linear response regime. As multiple excitations exist in such systems, a cornucopia of possible interaction mechanisms has to be investigated. In this work, we will present consequences of the excited thermal, electric and magnetic components on the subsequent magnetization dynamics.