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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 113, Issue 6, Pages 399–405
DOI: https://doi.org/10.31857/S1234567821060100 (Mi jetpl6389) 		 
This article is cited in 4 scientific papers (total in 4 papers)

CONDENSED MATTER

Photothermal ionization spectroscopy of mercury vacancies in HgCdTe epitaxial films

D. V. Kozlovab, T. A. Uaman Svetikovac, A. V. Ikonnikovc, V. V. Rumyantsevba, A. A. Razovaba, M. S. Zholudevba, N. N. Mikhailovde, S. A. Dvoretskiid, V. I. Gavrilenkoab, S. V. Morozovab

a Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, 603950 Russia
b Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, 603950 Russia
c Faculty of Physics, Moscow State University, Moscow, 119991 Russia
d Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
e Novosibirsk State University, Novosibirsk, 630090 Russia
Full-text PDF (358 kB) Citations (4)
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DOI: https://doi.org/10.31857/S1234567821060100
Abstract: The terahertz photoconductivity of narrow-gap Hg$_{1-x}$Cd$_x$Te alloys that originates from shallow double acceptors formed by mercury vacancies is investigated. The discrete spectrum of these acceptors and the matrix elements of the optical transitions from the ground to the excited states are calculated within a model taking into account the contribution from the conduction band and a model central-cell potential. Excited states with low ionization energies that are formed mainly by the states of light holes and are characterized by large matrix elements of optical transitions connecting them to the ground state are found. It is shown that the observed lines in the photoconductivity spectra are caused by transitions to these states for both neutral and singly ionized acceptors, rather than transitions to the valence-band continuum states.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 075-15-2020-797 (13.1902.21.0024)
This study was supported by the Ministry of Science and   Higher Education, project no. 075-15-2020-797 (13.1902.21.0024).
Received: 08.10.2020
Revised: 01.03.2021
Accepted: 01.03.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 113, Issue 6, Pages 402–408
DOI: https://doi.org/10.1134/S0021364021060072
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Kozlov, T. A. Uaman Svetikova, A. V. Ikonnikov, V. V. Rumyantsev, A. A. Razova, M. S. Zholudev, N. N. Mikhailov, S. A. Dvoretskii, V. I. Gavrilenko, S. V. Morozov, “Photothermal ionization spectroscopy of mercury vacancies in HgCdTe epitaxial films”, Pis'ma v Zh. Èksper. Teoret. Fiz., 113:6 (2021), 399–405; JETP Letters, 113:6 (2021), 402–408
Citation in format AMSBIB
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