SKM 2023 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 50: Magnetic Domain Walls (non-skyrmionic)
MA 50.3: Vortrag
Freitag, 31. März 2023, 10:00–10:15, POT 6
Domain wall tilt in thin CrOx/Co/Pt corrugated stripes — •Jose A. Fernandez-Roldan1, Mikel Quintana1,2, Shahrukh Shakeel1, Oleksii Volkov1, Oleksandr Pylypovskyi1, Eduardo Sergio Oliveros-Mata1, Florian Kronast3, Mohamad-Assaad Mawass3, Claas Abert4, Dieter Suess4, Denise Erb1, Jürgen Fassbender1, and Denys Makarov1 — 1Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany — 2CIC nanoGUNE BRTA, Donostia-San Sebastian, Spain — 3Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin, Germany — 4Physics of Functional Materials, University of Vienna, Vienna, Austria
Curvilinear magnetism is a flourishing field of interest for applications in flexible magnetoelectric devices, microrobots, sensors and nanoelectronics [1-2]. Curvilinear phenomena often result in magnetization patterning, symmetry breaks and Domain Wall (DW) pinning. However, these phenomena have remained so far unexplored in stripes. Here, spin-orbit torques allow the manipulation of DWs [3] with a low power consumption. A recent approach permits the estimation of Dzyaloshinskii-Moriya interaction from DW tilt in thin stripes [4]. Here we provide first results on 100 nm wide 2 nm thin corrugated CrOx/Co/Pt stripes with a mean curvature of 0.06 nm-1. Our results open a perspective for the design of curvature-induced effects with application prospects in current challenges of nanoelectronics. [1] D. Makarov et al., Adv.Mater. 34(3), 2101758 (2022); [2] D. Sheka et al., Small 18, 2105219 (2022); [3] O. Pylypovskyi et al. Sci.Rep. 6, 23316 (2016); [4] O. M. Volkov et al., Phys.Rev.Appl. 15, 034038 (2021).