Magnetic excitation in the hyperkagome antiferromagnet Mn $_{3}$ RhSi

Shamoto, Shinichi ; Yamauchi, Hiroki ; Iida, Kazuki*; Ikeuchi, Kazuhiko*; Kaneko, Koji ; Chen, Y.-S.*; Yano, Shinichiro*; Hsu, P.-T.*; Lee, M. K.*; Hall, A. E.*; Balakrishnan, G.*; Chang, L.-J.*

The magnetic excitation extends at least from 0.3 to 140 meV. The integrated inelastic scattering intensity leads to a localized magnetic moment of about 5 $mu_{B}$ per Mn site fluctuating at 200 K in the wide energy range, although the long-range ordered magnetic moment is only 2.61 $mu_{B}$ at 4 K. The result suggests that a large part of the magnetic moment does not order in Mn $_{3}$ RhSi.

Language	:	English
Journal	:	Physical Review Research (Internet)
Volume	:	6
Number	:	3
Pages	:	p.033303_1 - 033303_7
Publication Year/Month	:	2024/09
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Paper URL	:	https://doi.org/10.1103/PhysRevResearch.6.033303
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	中性子散乱; ハイパーカゴメ格子; Mn $_{3}$ RhSi
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : AA20230732
JAEA Abstracts No. : 53000736
Paper Submission No. : 29535

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Magnetic excitation in the hyperkagome antiferromagnet MnRhSi

Magnetic excitation in the hyperkagome antiferromagnet Mn $_{3}$ RhSi