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Magnetism in the Néel-skyrmion host GaV4S8 under pressure

Hicken, T.J.; Wilson, M.N.; Holt, S.J.R.; Khassanov, R.; Lees, M.R.; Gupta, R.; Das, D.; Balakrishnan, G.; Lancaster, T.

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Authors

T.J. Hicken

M.N. Wilson

S.J.R. Holt

R. Khassanov

M.R. Lees

R. Gupta

D. Das

G. Balakrishnan



Abstract

We present magnetization and muon-spin spectroscopy measurements of Néel-skyrmion host GaV4S8 under the application of hydrostatic pressures up to P = 2.29 GPa. Our results suggest that the magnetic phase diagram is altered with pressure via a reduction in the crossover temperature from the cycloidal (C) to ferromagnetic-like state with increasing P, such that, by 2.29 GPa, the C state appears to persist down to the lowest measured temperatures. With the aid of micromagnetic simulations, we propose that the driving mechanism behind this change is a reduction in the magnetic anisotropy of the system, and suggest that this could lead to an increase in stability of the skyrmion lattice.

Citation

Hicken, T., Wilson, M., Holt, S., Khassanov, R., Lees, M., Gupta, R., …Lancaster, T. (2022). Magnetism in the Néel-skyrmion host GaV4S8 under pressure. Physical Review B, 105(13), https://doi.org/10.1103/physrevb.105.134414

Journal Article Type Article
Acceptance Date Mar 23, 2022
Online Publication Date Apr 13, 2022
Publication Date 2022
Deposit Date Apr 14, 2022
Publicly Available Date Mar 29, 2024
Journal Physical review B: Condensed matter and materials physics
Print ISSN 2469-9950
Electronic ISSN 2469-9969
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 105
Issue 13
DOI https://doi.org/10.1103/physrevb.105.134414
Related Public URLs https://arxiv.org/abs/2201.12794

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Copyright Statement
Reprinted with permission from the American Physical Society: Hicken, T. J., Wilson, M. N., Holt, S. J. R., Khassanov, R., Lees, M. R., Gupta, R., Das, D., Balakrishnan, G. & Lancaster, T. (2022). Magnetism in the Néel-skyrmion host GaV4S8 under pressure. Physical Review B 105(13) © 2022 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.





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