The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Robust metastable skyrmions and their triangular–square lattice structural transition in a high-temperature chiral magnet
Open accessAbstract
Skyrmions, topologically protected nanometric spin vortices, are being investigated extensively in various magnets. Among them, many structurally chiral cubic magnets host the triangular-lattice skyrmion crystal (SkX) as the thermodynamic equilibrium state. However, this state exists only in a narrow temperature and magnetic-field region just below the magnetic transition temperature Tc, while a helical or conical magnetic state prevails at lower temperatures. Here we describe that for a room-temperature skyrmion material, β-Mn-type Co 8Zn 8Mn 4, a field-cooling via the equilibrium SkX state can suppress the transition to the helical or conical state, instead realizing robust metastable SkX states that survive over a very wide temperature and magnetic-field region. Furthermore, the lattice form of the metastable SkX is found to undergo reversible transitions between a conventional triangular lattice and a novel square lattice upon varying the temperature and magnetic field. These findings exemplify the topological robustness of the once-created skyrmions, and establish metastable skyrmion phases as a fertile ground for technological applications.
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Cites
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Self-citationReal-space observation of a two-dimensional skyrmion crystal
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Self-citationThe dynamics of charge-density waves
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Self-citationWriting and Deleting Single Magnetic Skyrmions
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Cited by
Tokura, Y., & Kanazawa, N. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00297 · Cited by 726
Self-citationPerspective: Magnetic skyrmions—Overview of recent progress in an active research field
Everschor-Sitte, K., Masell, J., Reeve, R. M., & Kläui, M. (2018) · Journal of Applied Physics · doi:10.1063/1.5048972 · Cited by 601
Skyrmions in magnetic multilayers
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Transformation between meron and skyrmion topological spin textures in a chiral magnet
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Metadata
- Authors
- Karube, K., White, J. S., Reynolds, N., Gavilano, J. L., Oike, H., Kikkawa, A., Kagawa, F., Tokunaga, Y., Rønnow, H. M., Tokura, Y., & Taguchi, Y.
- Venue
- Nature Materials
- Published
- 2016-09-19
- Volume
- 15
- Issue
- 12
- Pages
- 1237-1242
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2473351639
- Cited by
- 264
- References
- 29
- FWCI
- 11.59
- Type
- journal article
- Language
- en
- Open access
- green
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- Karube, K., White, J. S., Reynolds, N., Gavilano, J. L., Oike, H., Kikkawa, A., Kagawa, F., Tokunaga, Y., Rønnow, H. M., Tokura, Y., & Taguchi, Y. (2016). Robust metastable skyrmions and their triangular–square lattice structural transition in a high-temperature chiral magnet. Nature Materials. https://doi.org/10.1038/nmat4752
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