MOHELSKÝ, I., Adam DUBROKA, J. WYZULA, A. SLOBODENIUK, G. MARTINEZ, Y. KRUPKO, B. A. PIOT, Ondřej CAHA, Josef HUMLÍČEK, G. BAUER, G. SPRINGHOLZ a M. ORLITA. Landau level spectroscopy of Bi2Te3. PHYSICAL REVIEW B. AMER PHYSICAL SOC, 2020, roč. 102, č. 8, s. 1-11. ISSN 2469-9950. Dostupné z: https://dx.doi.org/10.1103/PhysRevB.102.085201. |
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@article{1674758, author = {Mohelský, I. and Dubroka, Adam and Wyzula, J. and Slobodeniuk, A. and Martinez, G. and Krupko, Y. and Piot, B. A. and Caha, Ondřej and Humlíček, Josef and Bauer, G. and Springholz, G. and Orlita, M.}, article_number = {8}, doi = {http://dx.doi.org/10.1103/PhysRevB.102.085201}, keywords = {BISMUTH TELLURIDE; TOPOLOGICAL INSULATORS; THERMOELECTRIC PROPERTIES; CONDUCTION ELECTRONS; OPTICAL-PROPERTIES; VALENCE-BAND; BI2SE3; SB2TE3; ABSORPTION; RESONANCE}, language = {eng}, issn = {2469-9950}, journal = {PHYSICAL REVIEW B}, title = {Landau level spectroscopy of Bi2Te3}, url = {https://doi.org/10.1103/PhysRevB.102.085201}, volume = {102}, year = {2020} }
TY - JOUR ID - 1674758 AU - Mohelský, I. - Dubroka, Adam - Wyzula, J. - Slobodeniuk, A. - Martinez, G. - Krupko, Y. - Piot, B. A. - Caha, Ondřej - Humlíček, Josef - Bauer, G. - Springholz, G. - Orlita, M. PY - 2020 TI - Landau level spectroscopy of Bi2Te3 JF - PHYSICAL REVIEW B VL - 102 IS - 8 SP - 1-11 EP - 1-11 PB - AMER PHYSICAL SOC SN - 24699950 KW - BISMUTH TELLURIDE KW - TOPOLOGICAL INSULATORS KW - THERMOELECTRIC PROPERTIES KW - CONDUCTION ELECTRONS KW - OPTICAL-PROPERTIES KW - VALENCE-BAND KW - BI2SE3 KW - SB2TE3 KW - ABSORPTION KW - RESONANCE UR - https://doi.org/10.1103/PhysRevB.102.085201 L2 - https://doi.org/10.1103/PhysRevB.102.085201 N2 - Here we report on Landau level spectroscopy in magnetic fields up to 34 T performed on a thin film of the topological insulator Bi2Te3 epitaxially grown on a BaF2 substrate. The observed response is consistent with the picture of a direct-gap semiconductor in which charge carriers closely resemble massive Dirac particles. The fundamental band gap reaches E-g = (175 +/- 5) meV at low temperatures and it is not located on the trigonal axis, thus displaying either sixfold or twelvefold valley degeneracy. Interestingly, our magneto-optical data do not indicate any band inversion at the direct gap. This suggests that the fundamental band gap is relatively distant from the Gamma point where profound inversion exists and gives rise to the relativisticlike surface states of Bi2Te3. ER -
MOHELSKÝ, I., Adam DUBROKA, J. WYZULA, A. SLOBODENIUK, G. MARTINEZ, Y. KRUPKO, B. A. PIOT, Ondřej CAHA, Josef HUMLÍČEK, G. BAUER, G. SPRINGHOLZ a M. ORLITA. Landau level spectroscopy of Bi2Te3. \textit{PHYSICAL REVIEW B}. AMER PHYSICAL SOC, 2020, roč.~102, č.~8, s.~1-11. ISSN~2469-9950. Dostupné z: https://dx.doi.org/10.1103/PhysRevB.102.085201.
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