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Spin dynamics in bulk MnNiGa and Mn1.4Pt0.9Pd0.1Sn investigated by muon spin relaxation
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Wilson, M. N., Hicken, T. J., Gomilšek, M., Štefančič, Aleš, Balakrishnan, Geetha, Loudon, J. C., Twitchett-Harrison, A. C., Pratt, F. L., Telling, M. and Lancaster, T. (2021) Spin dynamics in bulk MnNiGa and Mn1.4Pt0.9Pd0.1Sn investigated by muon spin relaxation. Physical Review B (Condensed Matter and Materials Physics), 104 (13). 134414 . doi:10.1103/PhysRevB.104.134414 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.104.134414
Abstract
We report the results of muon-spin relaxation and magnetometry investigations of bulk Mn1.4Pt0.9Pd0.1Sn and MnNiGa, two materials that have been proposed to host topological magnetic states in thin lamellae (antiskyrmions for Mn1.4Pt0.9Pd0.1Sn and biskyrmions for MnNiGa), and show spin reorientation transitions in the bulk. Our measurements reveal dynamic fluctuations surrounding the magnetic phase transitions in each material. In particular, we demonstrate that the behavior approaching the higher-temperature transitions reflects a decrease in the frequency of dynamics with increasing temperature. At low temperatures the two systems both show spin dynamics over a broad range of frequencies that persist below the respective spin reorientation transitions.
Item Type: | Journal Article | ||||||||||||
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Subjects: | Q Science > QC Physics | ||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
Library of Congress Subject Headings (LCSH): | Rotational motion, Muon spin rotation | ||||||||||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||||||||
Publisher: | American Physical Society | ||||||||||||
ISSN: | 1098-0121 | ||||||||||||
Official Date: | 1 October 2021 | ||||||||||||
Dates: |
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Volume: | 104 | ||||||||||||
Number: | 13 | ||||||||||||
Article Number: | 134414 | ||||||||||||
DOI: | 10.1103/PhysRevB.104.134414 | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Copyright Holders: | © 2021 American Physical Society | ||||||||||||
Date of first compliant deposit: | 6 December 2021 | ||||||||||||
Date of first compliant Open Access: | 6 December 2021 | ||||||||||||
RIOXX Funder/Project Grant: |
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