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Timescale distributions of spin fluctuations in the S=2 kagome antiferromagnet CsMn3 F6 (SeO3)2

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Title
Timescale distributions of spin fluctuations in the S=2 kagome antiferromagnet CsMn3 F6 (SeO3)2
Author(s)
Suheon Lee; Zhu, Tianyu; Oshima, Y.; Shiroka, T.; Wang, C.; Luetkens, H.; Yang, Haoming; Lü, Minfeng; Choi, K.-Y.
Publication Date
2022-03
Journal
Physical Review B, v.105, no.9
Publisher
American Physical Society
Abstract
© 2022 American Physical Society.We report the static and dynamical properties of a newly discovered S=2 kagome antiferromagnet CsMn3F6(SeO3)2. By combining dc and ac magnetic susceptibilities, specific heat, electron spin resonance (ESR), and muon spin relaxation (μSR), we identify two characteristic temperatures T∗=8 K and T=|ΘCW|=49(1) K, thereby three distinct regimes: a paramagnetic, a cooperative paramagnetic, and a quasistatic ordered state. At high temperature (T>|ΘCW|), the ac susceptibility and ESR linewidth show a power-law dependence, reflecting short-range spin-spin correlations of the paramagnetic Mn3+ ions. In the cooperative paramagnetic regime (T∗
URI
https://pr.ibs.re.kr/handle/8788114/11452
DOI
10.1103/PhysRevB.105.094439
ISSN
2469-9950
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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