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Three-dimensional topological insulator based on a strained HgTe film

Kozlov, D. A. ; Kvon, Z. D. ; Savchenko, M.L. ; Weiss, Dieter ; Mikhailov, N. N. ; Dvoretskii, S.A.


We investigated electron and hole transport in a three-dimensional topological insulator based on a high-mobility (up to 4 × 105 cm2/V·s) 80-nm-thick strained mercury telluride film. The presence of the gate electrode made it possible to shift the position of the Fermi energy from the valence band through the bulk gap to the conduction band. Specific features observed in classical and quantum ...


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