Dresden 2020 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 38: 2D Materials and their Heterostructures III (joint session DS/HL)

DS 38.5: Vortrag

Donnerstag, 19. März 2020, 12:00–12:15, CHE 89

Electronic structure of thin topological insulator films — •Thomas Naimer, Klaus Zollner, and Jaroslav Fabian — Universität Regensburg, Deutschland

We investigate the electronic structure of thin slabs of the 3D topological insulators Bi2Se3 and Bi2Te3 by means of density functional theory. We present an extensive study of the effects of perpendicular electric fields on the topological surface states. Additionally we examine exchange proximity effects in Cr2Ge2Te6-Bi2Te3 heterostructures. We acknowledge the support of the EU Graphene Flagship program.