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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2019, Volume 109, Issue 10, Pages 679–684
DOI: https://doi.org/10.1134/S0370274X19100072 (Mi jetpl5905) 		 
This article is cited in 10 scientific papers (total in 10 papers)

CONDENSED MATTER

Features of photoluminescence of double acceptors in HgTe/CdHgTe heterostructures with quantum wells in a terahertz range

D. V. Kozlovab, V. V. Rumyantsevab, A. M. Kadykovac, M. A. Fadeevac, N. S. Kulikovab, V. V. Utochkinab, N. N. Mikhailovde, S. A. Dvoretskiife, V. I. Gavrilenkoab, H. W. Hubersc, F. Teppeg, S. V. Morozovba

a Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia
b Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
c Institut für Physik, Humboldt-Universität zu Berlin, Berlin, Germany
d Novosibirsk State University, Novosibirsk, Russia
e Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
f Tomsk State University, Tomsk, Russia
g Laboratoire Charles Coulomb (L2C), Universite Montpellier, Montpellier, France
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DOI: https://doi.org/10.1134/S0370274X19100072
Abstract: The terahertz photoluminescence spectra of HgTe/CdHgTe heterostructure with quantum wells under interband optical excitation with a power of 3 to 300 mW have been studied in the temperature range of 30-100 K. The photoluminescence spectrum includes a band corresponding to quantum energies below the width of the band gap. The position of this band does not change with increasing temperature. This property allows attributing it to the capture of holes by acceptor centers. It has been shown that these acceptor centers are singly ionized mercury vacancies, which are double acceptors. A nonmonotonic dependence of the intensity of a signal of a long-wavelength photoluminescence band on the power of an exciting source has been revealed. A short-wavelength photoluminescence band corresponding to interband transitions appears with an increase in the exciting power. It has been shown that this effect is caused by the saturation of the number of partially ionized mercury vacancies with increasing pump intensity.
Funding agency Grant number
Russian Science Foundation 17-12-01360
Received: 22.03.2019
Revised: 22.03.2019
Accepted: 17.04.2019
English version:
Journal of Experimental and Theoretical Physics Letters, 2019, Volume 109, Issue 10, Pages 657–662
DOI: https://doi.org/10.1134/S0021364019100114
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Kozlov, V. V. Rumyantsev, A. M. Kadykov, M. A. Fadeev, N. S. Kulikov, V. V. Utochkin, N. N. Mikhailov, S. A. Dvoretskii, V. I. Gavrilenko, H. W. Hubers, F. Teppe, S. V. Morozov, “Features of photoluminescence of double acceptors in HgTe/CdHgTe heterostructures with quantum wells in a terahertz range”, Pis'ma v Zh. Èksper. Teoret. Fiz., 109:10 (2019), 679–684; JETP Letters, 109:10 (2019), 657–662
Citation in format AMSBIB
\Bibitem{KozRumKad19}
\by D.~V.~Kozlov, V.~V.~Rumyantsev, A.~M.~Kadykov, M.~A.~Fadeev, N.~S.~Kulikov, V.~V.~Utochkin, N.~N.~Mikhailov, S.~A.~Dvoretskii, V.~I.~Gavrilenko, H.~W.~Hubers, F.~Teppe, S.~V.~Morozov
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    • This publication is cited in the following 10 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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