Band structure of a HgTe-based three-dimensional topological insulator

J. Gospodarič, V. Dziom, A. Shuvaev, A. A. Dobretsova, N. N. Mikhailov, Z. D. Kvon, E. G. Novik, A. Pimenov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


From the analysis of the cyclotron resonance, we experimentally obtain the band structure of the three-dimensional topological insulator based on a HgTe thin film. Top gating was used to shift the Fermi level in the film, allowing us to detect separate resonance modes corresponding to the surface states at two opposite film interfaces, the bulk conduction band, and the valence band. The experimental band structure agrees reasonably well with the predictions of the k·p model. Due to the strong hybridization of the surface and bulk bands, the dispersion of the surface states is close to parabolic in the broad range of the electron energies.

Original languageEnglish
Article number115113
Number of pages9
JournalPhysical Review B
Issue number11
Publication statusPublished - Sep 2020




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