Ab initio study of nanostructured topological insulators.

The route we propose is by nanostructuring TIs. For example, in this project we study by ab initio density functional theory calculations thin slabs of TIs, and their interaction with normal insulating layers, and the effect of the adsorption of atoms onthe surface of a TI on its surface electronic structure. Also the influence of magnetic impurities is of great importance, as they will destroy the topological surface states. Another class of nanostructured TIs are cylindrical nanowire TIs which are expectedto show a rich surface electronic structure.

Keywords:NANOSTRUCTURING, INSULATORS, TOPOLOGICAL CATEGORIES

Disciplines:Condensed matter physics and nanophysics