Manipulation of Magnetic Skyrmion Density in Continuous Ir/Co/Pt Multilayers

Cubukcu, M. and Poellath, S. and Tacchi, S. and Stacey, A. and Darwin, E. and Freeman, C. W. F. and Barton, C. and Hickey, B. J. and Marrows, C. H. and Carlotti, G. and Back, C. H. and Kazakova, O. (2022) Manipulation of Magnetic Skyrmion Density in Continuous Ir/Co/Pt Multilayers. MICROMACHINES, 13 (11): 1911. ISSN , 2072-666X

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Abstract

We show that magnetic skyrmions can be stabilised at room temperature in continuous [Ir/Co/Pt](5) multilayers on SiO2/Si substrates without the prior application of electric current or magnetic field. While decreasing the Co thickness, a transition of the magnetic domain patterns from worm-like state to separated stripes is observed. The skyrmions are clearly imaged in both states using magnetic force microscopy. The density of skyrmions can be significantly enhanced after applying the "in-plane field procedure". Our results provide means to manipulate magnetic skyrmion density, further allowing for the optimised engineering of skyrmion-based devices.

Item Type: Article
Uncontrolled Keywords: TEMPERATURE; MOTION; skyrmions; Dzyaloshinskii-Moriya interaction; spintronics
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 01 Feb 2024 15:13
Last Modified: 01 Feb 2024 15:13
URI: https://pred.uni-regensburg.de/id/eprint/58339

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