Magnetoabsorption of Dirac Fermions in InAs/GaSb/InAs "Three-Layer" Gapless Quantum Wells

Sandra Ruffenach; Sergey S. Krishtopenko; L. S. Bovkun; A. V. Ikonnikov; M. Marcinkiewicz; Christophe Consejo; M. Potemski; B. Piot; M. Orlita; B. R. Semyagin; M. A. Putyato; E. A. Emel'Yanov; V. V. Preobrazhenskii; Wojciech Knap; F. Gonzalez-Posada; G. Boissier; Eric Tournié; Frederic Teppe; V. I. Gavrilenko

doi:10.1134/S0021364017230102

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Magnetoabsorption of Dirac Fermions in InAs/GaSb/InAs "Three-Layer" Gapless Quantum Wells

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Magnetoabsorption of Dirac Fermions in InAs/GaSb/InAs "Three-Layer" Gapless Quantum Wells

Sandra Ruffenach, Sergey S. Krishtopenko, L. S. Bovkun, A. V. Ikonnikov, M. Marcinkiewicz, Christophe Consejo, M. Potemski, B. Piot, M. Orlita, B. R. Semyagin, …

JETP Letters, Vol.106(11), pp.727-732

12/2017

DOI: https://doi.org/10.1134/S0021364017230102

Abstract

Cyclotron resonance spectra in high magnetic fields up to 34 T in InAs/GaSb/InAs “three-layer” quantum wells with gapless Dirac fermions have been studied. In quantizing magnetic fields, an absorption line associated with transitions from the lower Landau levels of electrons in a subband with a “conical” dispersion relation has been detected. Experimental energies of the transitions have been compared to theoretical calculations with the eight-band Kane Hamiltonian. The results confirm the gapless band structure of the studied samples.

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Title: Magnetoabsorption of Dirac Fermions in InAs/GaSb/InAs "Three-Layer" Gapless Quantum Wells
Creators - without role: Sandra Ruffenach - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Sergey S. Krishtopenko - Université de Montpellier, Laboratoire Charles Coulomb - L2C
L. S. Bovkun - Institute for Physics of Microstructures
A. V. Ikonnikov - Institute for Physics of Microstructures
M. Marcinkiewicz - Université de Montpellier
Christophe Consejo - Université de Montpellier, Laboratoire Charles Coulomb - L2C
M. Potemski - Laboratoire National des Champs Magnétiques Intenses
B. Piot - Centre National de la Recherche Scientifique
M. Orlita - Laboratoire National des Champs Magnétiques Intenses
B. R. Semyagin - Institute of Semiconductor Physics
M. A. Putyato
E. A. Emel'Yanov
V. V. Preobrazhenskii
Wojciech Knap - Université de Montpellier, Laboratoire Charles Coulomb - L2C
F. Gonzalez-Posada - Institut d'Électronique et des Systèmes
G. Boissier - Université de Montpellier, Institut d'Electronique et des Systèmes - IES
Eric Tournié - Université de Montpellier, Institut d'Electronique et des Systèmes - IES
Frederic Teppe - Université de Montpellier, Laboratoire Charles Coulomb - L2C
V. I. Gavrilenko - N. I. Lobachevsky State University of Nizhny Novgorod
Publication Details: JETP Letters, Vol.106(11), pp.727-732
Identifiers: 9937223709311
Academic Unit: Laboratoire Charles Coulomb - L2C; Institut d'Electronique et des Systèmes - IES
Language: English
Resource Type: Journal article
Local Fields: hal-01830516