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

Barker, Joel (Paul Scherrer Institut, Switzerland); Ciomaga Hatnean, Monica (Warwick University, UK); Xiao, Fan (Paul Scherrer Institut, Switzerland); Balakrishnan, Geetha (Warwick University, UK); Blundell, Stephen (University of Oxford, UK); Huddart, Benjamin (Durham University, UK); Stefancic, Ales (Warwick University, UK); Lancaster, Tom (Durham University, UK); Clark, Stewart (Durham University, UK); Pratt, Francis (STFC ISIS Facility, UK); Franke, Kévin (Durham University, UK); Hicken, Thomas (Durham University, UK); Crisanti, Marta (Warwick University, UK)

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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.

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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
Publisher: Durham University
Date Created

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User N. Syrotiuk has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy [dataset]	over 5 years ago
User T. Lancaster has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy	over 5 years ago
User T. Lancaster has updated Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy	over 5 years ago
User T. Lancaster has updated Figure_data.zip	over 5 years ago
User T. Lancaster has deposited Figure_data.zip	over 5 years ago