Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session D40: 2D Materials: Ferroic Behavior
3:00 PM–6:00 PM,
Monday, March 6, 2023
Room: Room 232
Sponsoring
Unit:
DMP
Chair: Yang Liu; Salvador Barraza-Lopez, University of Arkansas
Abstract: D40.00003 : Evolution of concomitant pseudogap formation with the β−to−β′ structural phase transition in melt-quenched As2Te3 upon chemical doping.*
3:48 PM–4:00 PM
Presenter:
Jeremy P Dion
(Brock University)
Authors:
Jeremy P Dion
(Brock University)
Maureen Reedyk
(Brock University)
We have measured the temperature dependent infrared reflectivity of melt-quenched As2Te3 and have observed the formation of a pseudogap concomitant to the β to β' phase transition. The results of this experiment along with supplementary resistivity and magnetization measurements suggest the phase transition could be due to the potential formation of a charge density wave. The evolution of this phase transition as dopants such as Cu and Ge are added will be explored.
References
[1] Morin et al. Inorg. Chem 54(20):9936, 2015.
[2] Matsubayashi, et al. PRB, 90:125126, 2014.
[3] Dion et al. PRB 106:075104, 2022.
*The authors are grateful to Brock University and the NSERC Canada Discovery Grant program for financial support.
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