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Updated: May 10, 2025

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction
Published on: April 1, 2017
Re-investigation of moment direction in a Kitaev materialα-RuCl3
Subin Kim1,2, Ezekiel Horsley1, Christie S Nelson2
1Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada.
Abstract:
We report x-ray diffraction and resonant elastic x-ray scattering studies on twoα-RuCl3crystals with distinct magnetic transition temperatures:TN = 7.3 K and 6.5 K. We find that the sample withTN = 6.5 K exhibits a high degree of stacking faults and structural twinning at low temperature, whereas theTN = 7.3 K sample primarily comprises a single domain of R3¯. Notwithstanding, both samples exhibit an identical zigzag magnetic structure, with magnetic moments pointing away from the honeycomb plane byα=31(2)∘. We argue that the identical ordered moment directions in these samples suggest that the intralayer magnetic interactions remain mostly unchanged regardless ofTN.
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