Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N56: Quantum Spin Liquid Materials III: Kitaev Materials
11:30 AM–2:18 PM,
Wednesday, March 8, 2023
Room: Room 304
Sponsoring
Unit:
GMAG
Chair: Andrej Zorko, Jožef Stefan Institute
Abstract: N56.00006 : Sample Dependence in Structure and Magnetism of α-RuCl3*
12:54 PM–1:06 PM
Presenter:
Subin Kim
(Univ of Toronto)
Authors:
Subin Kim
(Univ of Toronto)
Young-June Kim
(Univ of Toronto)
Ezekiel Horsley
(Univ of Toronto)
Jacob Ruff
(CHESS)
We investigate α-RuCl3 with different Tn using magnetic susceptibility, specific heat, and x-ray diffraction measurement. We find qualitative agreement between different samples in magnetic susceptibility and specific heat measurements. However, we observe difference in structure between different samples in diffraction measurement.
Structural transition is observed in all sample from monoclinic C2/m structure to R-3 structure below Ts=160K. However, for samples with different Tn, we find domain population to be different where some are single-domain while others are twinned. We associate minor difference in Tn around 7K arise from different stackings as well.
[1] A. Banerjee et al., Science 356, 1055-1059 (2022).
*This work was supported by Natural Science and Engineering Research Council (NSERC) of Canada, Canada Foundation for Innovation (CFI), and Ontario Research Fund (ORF).
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