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Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy [dataset] Open Access

We present the results of a muon-spin spectroscopy investigation of GaV4S8−ySey with y=0,2,4, and 8. Zero-field measurements suggest that GaV4Se8 and GaV4S8 have distinct magnetic ground states, with the latter material showing an anomalous temperature dependence of the local magnetic field. It is not possible to evolve the magnetic state continuously between these two systems, with the intermediate y=2 and 4 materials showing glassy magnetic behavior at low temperature. The skyrmion lattice (SkL) phase is evident in the y=0 and 8 materials through an enhanced response of the muon-spin relaxation to the emergent dynamics that accompany the SkL. For our polycrystalline samples of GaV4Se8, this enhanced dynamic response is confined to a smaller region of the magnetic field-temperature phase diagram than the previous reports of the SkL in single crystals.

Descriptions

Resource type
Dataset
Contributors
Creator: Lancaster, Tom 1
Creator: Franke, Kévin 1
Creator: Huddart, Benjamin 1
Creator: Hicken, Thomas 1
Creator: Xiao, Fan 2
Creator: Blundell, Stephen 3
Creator: Pratt, Francis 4
Crisanti, Marta 5
Creator: Barker, Joel 2
Creator: Clark, Stewart 1
Creator: Stefancic, Ales 5
Creator: Ciomaga Hatnean, Monica 5
Creator: Balakrishnan, Geetha 5
1 Durham University, UK
2 Paul Scherrer Institut, Switzerland
3 University of Oxford, UK
4 STFC ISIS Facility, UK
5 Warwick University, UK
Funder
Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword
muon
skyrmion
magnetism
Subject
Muons
Skyrme model
Magnetism
Location
Language
Cited in
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.98.054428
Identifier
ark:/32150/r1fq977t79n
doi:10.15128/r1fq977t79n
Rights
All rights reserved All rights reserved
Publisher
Durham University
Date Created

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T. Lancaster
Date Uploaded
Date Modified
2 November 2018, 11:11:02
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File format: x-gzip (GZIP Format, GZIP)
Mime type: application/x-gzip
File size: 2088103
Last modified: 2018:10:31 15:09:25+00:00
Filename: data.tar.gz
Original checksum: 1f60d54e8ce9af1e87a28a55efe97d17
Activity of users you follow
User Activity Date
User N. Syrotiuk has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy [dataset] 13 days ago
User T. Lancaster has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy 3 months ago
User T. Lancaster has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy 3 months ago
User T. Lancaster has updated Figure_data.zip 3 months ago
User T. Lancaster has deposited Figure_data.zip 3 months ago