Abstract
Low-temperature magnetotransport in a quasi-two-dimensional electron system based on a selectively doped GaAs quantum well with two occupied quantum-confinement subbands with one-dimensional periodic modulation of a potential is investigated. It is shown that commensurability oscillations of the resistance in this electron system coexist with magneto-intersubband oscillations. It is found that, in addition to commen-surability oscillations, the one-dimensional periodic potential in the two-subband electron system leads to the modulation of the magneto-intersubband oscillation amplitude. The experimental results are explained by the formation of Landau bands in the quasi-two-dimensional electron system with one-dimensional periodic modulation of the potential.
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This study was supported by the Russian Foundation for Basic Research, project no. 18-02-00603.
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Russian Text É The Author(s), 2019, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2019, Vol. 110, No. 5, pp. 337–342.
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Bykov, A.A., Strygin, I.S., Goran, A.V. et al. Modulation of Magneto-Intersubband Oscillations in a One-Dimensional Lateral Superlattice. Jetp Lett. 110, 354–358 (2019). https://doi.org/10.1134/S0021364019170065
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DOI: https://doi.org/10.1134/S0021364019170065