Magnetism in the Neel skyrmion host GaV4S8 under pressure [dataset]

Gupta, R (Paul Scherrer Institut, Switzerland); Das, D (Paul Scherrer Institut, Switzerland); Balakrishnan, G (University of Warwick, UK); Holt, SJR (University of Warwick, UK); Lees, MR (University of Warwick, UK); Hicken, TJ (Durham University, UK); Wilson, M (Durham University, UK); Khassanov, R (Paul Scherrer Institute, Switzerland); Lancaster, T (Durham University, UK)

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Magnetism in the Neel skyrmion host GaV4S8 under pressure [dataset] Open Access

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.

Descriptions

Resource type: Dataset
Contributors: Creator: Hicken, TJ ¹
Creator: Lancaster, T ¹
Contact person: Lancaster, T ¹
Creator: Wilson, M ¹
Creator: Holt, SJR ²
Creator: Khassanov, R ³
Creator: Lees, MR ²
Creator: Gupta, R ⁴
Creator: Das, D ⁴
Creator: Balakrishnan, G ²

¹ Durham University, UK
² University of Warwick, UK
³ Paul Scherrer Institute, Switzerland
⁴ Paul Scherrer Institut, Switzerland
Funder: Engineering and Physical Sciences Research Council
Research methods: Muon spin spectroscopy
Magnetisation measurements
Micromagnetic simulations
Other description
Keyword: Magnetisation measurements
Skyrmion
Pressure
Muon spin spectroscopy
Micromagnetic simulations
Subject: Condensed matter--Magnetic properties
Location
Language: English
Cited in
Identifier: ark:/32150/r1dj52w474g
doi:10.15128/r1dj52w474g
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
Date Created

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