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Domain wall dynamics and interlayer interactions in magnetic trilayer systems studied by XMCD-PEEM |
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| Authors: | J Vogel W Kuch K Fukumoto F Romanens S Pizzini J Camarero |
| Institution: | 1. Institut Néel, CNRS-UJF, 25 rue des martyrs, 38000, Grenoble, France 2. Institut für Experimentalphysik, Freie Universit?t Berlin, Arnimallee 14, 14195, Berlin, Germany 4. Departmento Física de la Materia Condensada, Universidad Autónoma de Madrid, 28049, Madrid, Spain |
| Abstract: | We have used time-resolved x-ray magnetic circular dichroism combined with photoemission electron microscopy (XMCD-PEEM) to investigate the layer-resolved microscopic magnetization reversal in FeNi/X/Co (with X=Cu, Al2O3) trilayer systems. These measurements were performed in pump-probe mode, synchronizing magnetic pulses with synchrotron x-ray pulses. The good magnetic contrast observed for most samples reveals that in many cases the magnetization reversal is reproducible. We have used the measurements to obtain domain wall propagation speeds as a function of applied magnetic field, and to investigate the influence of domain wall interactions on the magnetic switching. |
| Keywords: | PACS" target="_blank">PACS 07 85 Qe 75 60 Ch 75 60 Jk 75 70 Ak 85 70 Kh |
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