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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 116, Issue 6, Pages 350–357
DOI: https://doi.org/10.31857/S1234567822180033 (Mi jetpl6755) 		 
This article is cited in 2 scientific papers (total in 2 papers)

CONDENSED MATTER

Multiwell potential in a trench-type quantum point contact

D. I. Sarypovab, D. A. Pokhabovba, A. G. Pogosovba, E. Yu. Zhdanovba, A. K. Bakarovab

a Novosibirsk State University, Novosibirsk, 630090 Russia
b Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
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DOI: https://doi.org/10.31857/S1234567822180033
Abstract: A physical mechanism has been proposed to explain the appearance of the multichannel electron transport regime in trench quantum point contacts. It has been shown that the redistribution of electrons in a two-dimensional electron gas, which is due to the Coulomb interaction between them and with charged donors and X-valley electrons, results in the experimentally observed multichannel regime. The numerical simulation of the redistribution of electrons and its comparison with the measurements of the conductance of trench quantum point contacts based on a GaAs/AlGaAs heterostructure demonstrate the formation of a multiwell confining potential.
Funding agency Grant number
Russian Science Foundation 22-12-00343
Ministry of Science and Higher Education of the Russian Federation FWGW-2022-0011
This work was supported by the Russian Science Foundation (project no. 22-12-00343, measurements and numerical simulation) and by the Ministry of Science and Higher Education of the Russian Federation (project no. FWGW-2022-0011, characterization of the initial heterostructures).
Received: 07.07.2022
Revised: 03.08.2022
Accepted: 04.08.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 116, Issue 6, Pages 360–366
DOI: https://doi.org/10.1134/S0021364022601610
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. I. Sarypov, D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov, “Multiwell potential in a trench-type quantum point contact”, Pis'ma v Zh. Èksper. Teoret. Fiz., 116:6 (2022), 350–357; JETP Letters, 116:6 (2022), 360–366
Citation in format AMSBIB
\Bibitem{SarPokPog22}
\by D.~I.~Sarypov, D.~A.~Pokhabov, A.~G.~Pogosov, E.~Yu.~Zhdanov, A.~K.~Bakarov
\paper Multiwell potential in a trench-type quantum point contact
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 116
\issue 6
\pages 350--357
\mathnet{http://mi.mathnet.ru/jetpl6755}
\crossref{https://doi.org/10.31857/S1234567822180033}
\edn{https://elibrary.ru/kfoavh}
\transl
\jour JETP Letters
\yr 2022
\vol 116
\issue 6
\pages 360--366
\crossref{https://doi.org/10.1134/S0021364022601610}
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    • This publication is cited in the following 2 articles:
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