Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session Z02: Nanomaterials and Applications
11:30 AM–1:30 PM,
Friday, March 18, 2022
Room: McCormick Place W-175C
Chair: Betul Pamuk, Cornell University
Abstract: Z02.00010 : Electric Field-Induced Many-Body Interactions in 2D Materials*
1:18 PM–1:30 PM
Presenter:
Mohammad Reza Karimpour
(University of Luxembourg)
Author:
Mohammad Reza Karimpour
(University of Luxembourg)
Collaborations:
Mohammad Reza Karimpour, Mario Galante, M. Stöhr, Dmitry V. Fedorov, Alexandre Tkatchenko
On the other hand, several studies have shown that long-range interactions can be tailored by employing static electric fields [Karimpour et al., arXiv:2103.16410] and controlling the electrostatic properties of 2D materials like graphene [Santos and Kaxiras, Nano Lett. 13 (2013)], which can serve as a viable fabrication method for nanometer-scale 2D structures [Liang et al., Nano Lett. 9 (2009)].
Here, we present a practical method to study the effects of static electric fields on the dipolar many-body vdW interaction and show that also the field-induced effects strongly deviate from pairwise additivity. Taking into account both the field-induced and vdW contributions, we study the interlayer interaction energy, explore the exfoliation mechanism and present an estimation of the field strengths required for the field-driven fabrication of 2D nanostructures.
*The authors acknowledge financial support from the Luxembourg National Research Fund (FNR CORE projects "QUANTION" and "PINTA") and European Research Council (ERC Consolidator Grant "BeStMo")
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