Intrinsic DMI-free skyrmion formation and robust dynamic behaviors in magnetic hemispherical shells.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
16 Feb 2021
Historique:
received: 13 10 2020
accepted: 05 01 2021
entrez: 17 2 2021
pubmed: 18 2 2021
medline: 18 2 2021
Statut: epublish

Résumé

We performed finite-element micromagnetic simulations to examine the formation of skyrmions without intrinsic Dzyaloshinskii-Moriya interaction (DMI) in magnetic hemispherical shells. We found that curvature-induced DM-like interaction allows for further stabilization of skyrmions without the DMI in curved-geometry hemispherical shells for a specific range of uniaxial perpendicular magnetic anisotropy (PMA) constant K

Identifiants

pubmed: 33594108
doi: 10.1038/s41598-021-81624-7
pii: 10.1038/s41598-021-81624-7
pmc: PMC7887229
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

3886

Subventions

Organisme : National Research Foundation of Korea
ID : NRF-2018R1A2A1A05078913
Organisme : National Research Foundation of Korea
ID : NRF-2018R1A2A1A05078913
Organisme : Austrian Science Fund
ID : I2214-N20
Organisme : Austrian Science Fund
ID : I2214-N20

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Auteurs

Jaehak Yang (J)

National Creative Research Initiative Center for Spin Dynamics and Spin-Wave Devices, Nanospinics Laboratory, Research Institute of Advanced Materials, Department of Materials Science and Engineering, Seoul National University, Seoul, 151-744, South Korea.

Claas Abert (C)

Faculty of Physics, University of Vienna, Vienna, Austria.
University of Vienna Research Platform MMM Mathematics - Magnetism - Materials, University of Vienna, Vienna, Austria.

Dieter Suess (D)

Faculty of Physics, University of Vienna, Vienna, Austria.
University of Vienna Research Platform MMM Mathematics - Magnetism - Materials, University of Vienna, Vienna, Austria.

Sang-Koog Kim (SK)

National Creative Research Initiative Center for Spin Dynamics and Spin-Wave Devices, Nanospinics Laboratory, Research Institute of Advanced Materials, Department of Materials Science and Engineering, Seoul National University, Seoul, 151-744, South Korea. sangkoog@snu.ac.kr.

Classifications MeSH