Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/118021
Title: Acoustic phonon dispersion of α-RuCl3
Authors: Lebert, B. W.
Kim, S.
Prishchenko, D. A.
Tsirlin, A. A.
Said, A. H.
Alatas, A.
Kim, Y. -J.
Issue Date: 2022
Publisher: American Physical Society
Citation: Acoustic phonon dispersion of α-RuCl3 / B. W. Lebert, S. Kim, D. A. Prishchenko et al. // Physical Review B. — 2022. — Vol. 106. — Iss. 4. — L041102.
Abstract: Acoustic phonons have recently been posited as playing an integral role in explaining the half-quantized thermal Hall effect in α-RuCl3. Therefore, we present much needed inelastic X-ray scattering measurements of its acoustic phonon dispersion, along with calculations using the frozen-phonon method. We also discuss a temperature study which conclusively shows a first-order structural transition to a non-C2/m space group at low temperature. Together these results are an important backbone for future theoretical and experimental studies of α-RuCl3. © 2022 American Physical Society.
Keywords: STRAIN MEASUREMENT
TEMPERATURE
X RAY SCATTERING
ACOUSTIC PHONONS
ACOUSTIC-PHONON DISPERSION
ACOUSTIC-PHONONS
FIRST ORDER
INELASTIC X-RAYS SCATTERINGS
MEASUREMENTS OF
STRUCTURAL TRANSITIONS
TEMPERATURE STUDY
THERMAL
X-RAY SCATTERING MEASUREMENTS
PHONONS
URI: http://hdl.handle.net/10995/118021
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85134883396
ISSN: 24699950
DOI: 10.1103/PhysRevB.106.L041102
metadata.dc.description.sponsorship: Office of Science, SC; Argonne National Laboratory, ANL: DE-AC02-06CH11357; Ontario Innovation Trust, OIT; Natural Sciences and Engineering Research Council of Canada, NSERC; Canada Foundation for Innovation, CFI; Deutsche Forschungsgemeinschaft, DFG: 107745057, TRR80; University of Toronto, U of T; Russian Science Foundation, RSF: 21-72-10136
Work at the University of Toronto was supported by the Natural Science and Engineering Research Council (NSERC) of Canada, Canadian Foundation for Innovation, and Ontario Innovation Trust. This research used resources of the Advanced Photon Source (APS), a DOE Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. B.W.L. acknowledges support from the University of Toronto Faculty of Arts and Sciences Postdoctoral Fellowship and NSERC (funding reference number PDF-546035-2020). The work of D.A.P. was supported by the Russian Science Foundation, Grant No. 21-72-10136. The work in Augsburg was supported by the German Research Foundation (DFG) via Project No. 107745057 (TRR80).
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