Double Fe-impurity charge state in the topological insulator Bi${}_2$Se${}_3$

V. S. Stolyarov, S. V. Remizov, D. S. Shapiro +10

The influence of individual impurities of Fe on the electronic properties of topological insulator Bi${}_2$Se${}_3$ is studied by Scanning Tunneling Microscopy. The microscope tip is u…