Berlin 2015 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 15: Focus Session: Skyrmionics: Future of Spintronics? (jointly with MA)

TT 15.3: Hauptvortrag

Montag, 16. März 2015, 16:00–16:30, H 0104

Interface Induced Individual Skyrmions in Thin Films and MultilayersK. Bouzehouane1, V. Cros1, C. Deranlot1, •A. Fert1, K. Garcia1, C. Moreau-Luchaire1, N. Reyren1, J.-M. Sampaio1,3, N. van Horne1, M. Chshiev2, Hongxin Yang2, A. Thiaville3, S. Rohart4, C. Moutafis4, C.A.F. Vaz4, P. Warnicke4, J. Raabe4, and M. Weigand51Unité Mixte de Physique CNRS/Thales, 1 Av. Fresnel, 9767 Palaiseau, France — 2Université de Grenoble, and SPINTEC (CNRS/CEA-INAC), 38054 Grenoble Cedex, France — 3Laboratoire de Physique des Solides, Université Paris-Sud, CNRS-UMR 8502, 91405 Orsay Cedex, France — 4Swiss Light Source, Paul Scherrer Institute, 5232 Villigen, Switzerland — 5Max Planck Institute for Intelligent Systems, Heisenbergstraße 3, 70569 Stuttgart, Germany

This talk is on individual skyrmions induced by interface Dzyaloshinskii-Moriya Interactions (DMI) in thin magnetic films or multilayers. I will present:

(1) Ab-initio calculations clearing up characteristic features of interface DMI: extension of the DMI away from the interface spins and thickness dependence, influence of the existence of proximity-induced magnetism in the spin-orbit layer, influence of interface roughness.

(2) Micromagnetic simulations of the nucleation and current-induced motion of skyrmions.

(3) Preliminary experimental results on (Ir/Co/Pt)x10 multilayers.

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DPG-Physik > DPG-Verhandlungen > 2015 > Berlin