Shubnikov–de Haas oscillations and Rashba splitting in Bi2Te3 epitaxial film
| Autor: | Paulo H. O. Rappl, S. de Castro, D. P. A. Holgado, Celso I. Fornari, A. K. Okazaki, M. L. Peres, Hektor Monteiro, K. Bolaños, Eduardo Abramof, D. A. W. Soares, F. S. Pena |
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| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Physics Work (thermodynamics) Physics and Astronomy (miscellaneous) Condensed matter physics Oscillation Fast Fourier transform Fermi surface 02 engineering and technology Function (mathematics) Atmospheric temperature range Condensed Matter::Mesoscopic Systems and Quantum Hall Effect 021001 nanoscience & nanotechnology Epitaxy 01 natural sciences 0103 physical sciences 0210 nano-technology Surface states |
| Zdroj: | Applied Physics Letters. 117:102108 |
| ISSN: | 1077-3118 0003-6951 |
| Popis: | This work presents the results of magnetotransport measurements performed on a 156 nm-thick Bi2Te3 epitaxial film in the temperature range of 1.9–300 K, showing Shubnikov–de Haas oscillations for temperatures below 50 K. A detailed analysis of oscillations as a function of temperature provides the main transport parameters, including the Lande g-factor and cyclotronic masses. A systematic analysis of fast Fourier transform, performed on the oscillations, indicates that the origin of the oscillation pattern is not related to the topological surface states but from the Rashba splitting of the Bi2Te3 Fermi surface. |
| Databáze: | OpenAIRE |
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