paper

High-Field Shubnikov-de Haas Oscillations in the Topological Insulator BiTeSe

arXiv:1111.6031 · doi:10.1103/PhysRevB.86.045314

Abstract

We report measurements of the surface Shubnikov de Haas oscillations (SdH) on crystals of the topological insulator BiTeSe. In crystals with large bulk resistivity (4 cm at 4 K), we observe 15 surface SdH oscillations (to the = 1 Landau Level) in magnetic fields up to 45 Tesla. Extrapolating to the limit , we confirm the -shift expected from a Dirac spectrum. The results are consistent with a very small surface Lande -factor.

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