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Multilayer graphene with a superlattice potential
- Publication Year :
- 2022
-
Abstract
- Bernal stacked bilayer graphene subject to a superlattice potential can realize topological and stacked flat bands [1]. In the present work, we extend the study of a superlattice potential on graphene heterostructures to trilayer and quadrilayer graphene. Comparing Bernal- and chirally-stacked multilayers reveals that the latter are more suitable for realizing stacks of many flat bands. On the other hand, Bernal-stacked graphene heterostructures can realize topological flat bands. Imposing two simultaneous superlattice potentials enhances the viability of both regimes.<br />Comment: 10 Figures
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2212.12549
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.107.195423