Resolving the Dirac Cone on the Surface of Bi2Te3 Topological Insulator Nanowires by Field-Effect Measurements
arXiv:1405.2036 · doi:10.1063/1.4883887
Abstract
We validate the linear dispersion relation and resolve the Dirac cone on the surface of a single Bi2Te3 nanowire via a combination of field-effect and magnetoresistance measurements by which we unambiguously prove the topological insulator nature of the nanowire surface states. Moreover we show that the experimentally determined carrier concentration, mobility and cyclotron mass of the surface states are in excellent agreement with relativistic models. Our method provides a facile way to identify topological insulators that too small for angle-resolved photo emission spectroscopy.
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Cited by in corpus (7)
- Magnetic field induced helical mode and topological transitions in a quasi-ballistic topological insulator nanoribbon with circumferentially quantized surface state sub-bands
- Thermoelectric performance of classical topological insulator nanowires
- Resolving the Dirac Cone on the Surface of Bi2Te3 Topological Insulator Nanowires by Field-Effect Measurements
- Quantum transport in topological surface states of BiTe nanoribbons
- Transport in Selectively Magnetically Doped Topological Insulator Wires
- Fabry-Pérot interferometry with gate-tunable 3D topological insulator nanowires
- Phase-coherent loops in selectively-grown topological insulator nanoribbons