Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Q07: Charge Density Wave Systems
3:00 PM–6:00 PM,
Wednesday, March 6, 2024
Room: L100H
Sponsoring
Unit:
DCMP
Chair: R. Matthias Geilhufe, Chalmers Univ of Tech
Abstract: Q07.00006 : Charge-Density-Wave Transition in bulk and monolayer VSe2 from First Principles*
4:00 PM–4:12 PM
Presenter:
Josu Diego
(University of the Basque Country (UPV/EHU))
Authors:
Josu Diego
(University of the Basque Country (UPV/EHU))
Antonio David Subires Santana
(Donostia International Physics Center)
Adolfo O Fumega
(Aalto University)
Ion Errea
(University of the Basque Country UPV/EH)
Santiago Blanco-Canosa
(Donostia International Physics Center)
On the other side, our non-perturbative anharmonic phonon calculations in monolayer VSe2 show that it develops two independent charge density wave orders associated to √3 × √7 and 4 × 4 modulations that compete as a function of strain. Theory and experiments match showing a clear substrate-dependence on the charge density wave order on the 2D limit of VSe2 [3].
*J.D. thanks the Department of Education of the Basque Government for a predoctoral fellowship (Grant No. PRE-2020-1-0220).
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