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Cited by 32Magnetic properties of thin filmsAdvanced Condensed Matter PhysicsMagnetic Properties of Alloys

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Tunable room temperature magnetic skyrmions in centrosymmetric kagome magnet Mn4Ga2Sn

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Chakrabartty, Dola, Jamaluddin, Sk, Manna, Subhendu K., Nayak, Ajaya K.·2022·Communications Physics
DOI 10.1038/s42005-022-00971-7
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Abstract

The successful realization of skyrmion-based spintronic devices depends on the easy manipulation of underlying magnetic interactions in the skyrmion-hosting materials. Although the mechanism of skyrmion formation in non-centrosymmetric magnets is comprehensively established, the stabilization process of different skyrmion-like magnetic textures in centrosymmetric magnets needs further investigation. Here, we utilize Lorentz transmission electron microscopy study to report the finding of a tunable skyrmion lattice up to room temperature in a centrosymmetric kagome ferromagnet Mn 4 Ga 2 Sn. We demonstrate that a controlled switching between the topological skyrmions and non-topological type-II magnetic bubbles can be realized at the optimal magnetic anisotropy. We find that the topological skyrmions are the energetically most stable magnetic objects in the centrosymmetric hexagonal magnets, whereas application of in-plane magnetic field stabilizes type-II magnetic bubbles as an excited state. The present study is a significant step towards understanding of the skyrmion stabilization mechanism in centrosymmetric materials for their future applications.

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  • During rapid motion induced by a wobbler operation, Bloch lines become unstable and can annihilate.

    “During their rapid motion induced by a wobbler operation, wherein the tilted angle is increased gradually from 0° to 15° , then to 15° and finally back to 0° , Bloch lines become unstable and can annihilate (Supplemental Figure S8) [25, 55] .”

    From Skyrmion‐Bubble Bundles in an X‐Type Sr 2 Co 2 Fe 28 O 46 Hexaferrite above Room Temperature (2023) · cites this paper as [25]

  • The reversed-field method for achieving skyrmion-bubble bundles with multiQ properties is applicable to a wide range of traditional uniaxial magnets at room temperature.

    “This method is applicable to a wide range of traditional uniaxial magnets at room temperature [21, 24-27, 29] .”

    From Skyrmion‐Bubble Bundles in an X‐Type Sr 2 Co 2 Fe 28 O 46 Hexaferrite above Room Temperature (2023) · cites this paper as [25]

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Research works printed but not linked: 37

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Metadata

Authors
Chakrabartty, D., Jamaluddin, S., Manna, S. K., & Nayak, A. K.
Affiliations
National Institute of Science Education and Research (IN)
Corresponding author
Nayak, Ajaya K.
ORCID
Venue
Communications Physics
Publisher
Springer Science and Business Media LLC
Published
2022-07-22
Volume
5
Issue
1
ISSN
2399-3650 (ISSN-L)
DOI
10.1038/s42005-022-00971-7
OpenAlex
W4286559707
Cited by
32
References
1
Citations by year
2026: 6 · 2025: 11 · 2024: 6 · 2023: 9
FWCI
2.67
Type
journal article
Language
en
Open access
Licence
Locations
  • Communications Physics (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • arXiv (Cornell University) (cc-by)
Funders
Department of Science and Technology, Ministry of Science and Technology, India
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Magnetic properties of thin films
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetic Properties of Alloys
Keywords
magnetic skyrmions, centrosymmetric magnets, kagome magnet, skyrmion lattice, magnetic anisotropy, in-plane magnetic field, Lorentz microscopy, room-temperature skyrmions, spintronics

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