Transport Properties of Graphene‐BiTeI Hybrid Structures

Abstract

Recent studies have shown that heterostructures comprised of graphene and certain chalcogenides are robust two-dimensional (2D) topological insulators. We developed a simplified model Hamiltonian for such systems and investigated their properties as the function of various parameter values. We mapped the phases of the system that can behave as an insulator, metal or topological insulator. We used this simplistic model to calculate transport characteristics on experimentally relevant sample sizes.