Regensburg 2019 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 15: Magnetism Poster A
MA 15.13: Poster
Dienstag, 2. April 2019, 10:00–13:00, Poster E
Temperature dependent investigation of stripe morphology and DMI determination from stripe width measurements in multilayer stacks — Nico Kerber1,2, Kai Litzius1,2,3, Jakub Zazvorka1, Niklas Keil1, Jonas Nothhelfer1, Pedram Bassirian1, •Boris Seng1,2, Marco Asa4, Ivan Lemesh5, Markus Weigand3, Simone Finizio6, Jörg Raabe6, Geoffrey D. Beach5, and Mathias Kläui1,2 — 1Institute of Physics, Johannes Gutenberg University Mainz, 55099 Mainz, Germany. — 2Graduate School of Excellence Materials Science in Mainz, 55128 Mainz, Germany. — 3Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany. — 4Department of Physics, Politecnico di Milano, 20133 Milano, Italy. — 5Department of Materials Science and ENgineering, Massassuchsetts Institute of Technology, Cambridge, Massassuchets 02139, USA. — 6Swiss Light Source, Paul Scherrer Institut, Villigen PSI CH-5232, Switzerland.
The Dzyaloshinskii-Moriya Interaction (DMI) is recently in the focus of spintronics, due to its fundamental role in the stabilization of chiral magnetic textures in thin films, such as magnetic skyrmions and chiral domain walls. Since for applications good spin structure stability is required across a certain temperature range, the temperature dependence of the DMI is of great interest.
In this work, we investigate the temperature dependence of the DMI, using high-resolution transmission x-ray microscopy to image the evolution of spin textures with temperature and magnetic field in Pt/CoFeB/MgO systems.