Stimulated Nucleation of Skyrmions in a Centrosymmetric Magnet
Abstract
Understanding the dynamics of skyrmion nucleation and manipulation is important for applications in spintronic devices. In this contribution, the spin textures at magnetic domain-boundaries stimulated by application of in-plane magnetic fields in a centrosymmetric kagome ferromagnet, Fe3Sn2, with thickness gradient are investigated using Lorentz transmission electron microscopy. Switching of the in-plane magnetic field is shown to induce a reversible transformation from magnetic stripes to skyrmions, or vice versa, at the interface between differently oriented domains. Micromagnetic simulations combined with experiments reveal that the rotatable anisotropy and thickness dependence of the response to the external in-plane field are the critical factors for the skyrmion formation. In addition, it is shown that the helicity of skyrmions can also be controlled using this dynamic process. Finally, the results suggest that magnetic materials with rotatable anisotropy are potential skyrmionic systems and provides a different approach for nucleation and manipulation of skyrmions in spintronic devices.
- Authors:
-
[1];
[2];
- The Ohio State Univ., Columbus, OH (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Defense Advanced Research Projects Agency (DARPA)
- OSTI Identifier:
- 1819517
- Grant/Contract Number:
- AC05-00OR22725; D18AP00008
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Nano
- Additional Journal Information:
- Journal Volume: 15; Journal Issue: 8; Journal ID: ISSN 1936-0851
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; centrosymmetric magnets; skyrmions; spintronic devices; in-plane fields; LTEM
Citation Formats
Wang, Binbin, Wu, Po-kuan, Bagués Salguero, Núria, Zheng, Qiang, Yan, Jiaqiang, Randeria, Mohit, and McComb, David W. Stimulated Nucleation of Skyrmions in a Centrosymmetric Magnet. United States: N. p., 2021.
Web. doi:10.1021/acsnano.1c04053.
Wang, Binbin, Wu, Po-kuan, Bagués Salguero, Núria, Zheng, Qiang, Yan, Jiaqiang, Randeria, Mohit, & McComb, David W. Stimulated Nucleation of Skyrmions in a Centrosymmetric Magnet. United States. https://doi.org/10.1021/acsnano.1c04053
Wang, Binbin, Wu, Po-kuan, Bagués Salguero, Núria, Zheng, Qiang, Yan, Jiaqiang, Randeria, Mohit, and McComb, David W. Tue .
"Stimulated Nucleation of Skyrmions in a Centrosymmetric Magnet". United States. https://doi.org/10.1021/acsnano.1c04053. https://www.osti.gov/servlets/purl/1819517.
@article{osti_1819517,
title = {Stimulated Nucleation of Skyrmions in a Centrosymmetric Magnet},
author = {Wang, Binbin and Wu, Po-kuan and Bagués Salguero, Núria and Zheng, Qiang and Yan, Jiaqiang and Randeria, Mohit and McComb, David W.},
abstractNote = {Understanding the dynamics of skyrmion nucleation and manipulation is important for applications in spintronic devices. In this contribution, the spin textures at magnetic domain-boundaries stimulated by application of in-plane magnetic fields in a centrosymmetric kagome ferromagnet, Fe3Sn2, with thickness gradient are investigated using Lorentz transmission electron microscopy. Switching of the in-plane magnetic field is shown to induce a reversible transformation from magnetic stripes to skyrmions, or vice versa, at the interface between differently oriented domains. Micromagnetic simulations combined with experiments reveal that the rotatable anisotropy and thickness dependence of the response to the external in-plane field are the critical factors for the skyrmion formation. In addition, it is shown that the helicity of skyrmions can also be controlled using this dynamic process. Finally, the results suggest that magnetic materials with rotatable anisotropy are potential skyrmionic systems and provides a different approach for nucleation and manipulation of skyrmions in spintronic devices.},
doi = {10.1021/acsnano.1c04053},
journal = {ACS Nano},
number = 8,
volume = 15,
place = {United States},
year = {Tue Aug 10 00:00:00 EDT 2021},
month = {Tue Aug 10 00:00:00 EDT 2021}
}
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