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Re-investigation of moment direction in a Kitaev material α -RuCl 3

Journal Article · · Journal of Physics. Condensed Matter

Abstract

We report x-ray diffraction and resonant elastic x-ray scattering studies on two α -RuCl 3 crystals with distinct magnetic transition temperatures: T N  = 7.3 K and 6.5 K. We find that the sample with T N  = 6.5 K exhibits a high degree of stacking faults and structural twinning at low temperature, whereas the T N  = 7.3 K sample primarily comprises a single domain of R 3 ¯ . Notwithstanding, both samples exhibit an identical zigzag magnetic structure, with magnetic moments pointing away from the honeycomb plane by α = 31 ( 2 ) . We argue that the identical ordered moment directions in these samples suggest that the intralayer magnetic interactions remain mostly unchanged regardless of T N .

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0012704
OSTI ID:
2564754
Alternate ID(s):
OSTI ID: 2561449
OSTI ID: 2587864
Journal Information:
Journal of Physics. Condensed Matter, Journal Name: Journal of Physics. Condensed Matter Journal Issue: 21 Vol. 37; ISSN 0953-8984
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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