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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2025, Volume 121, Issue 8, Pages 688–695
DOI: https://doi.org/10.31857/S0370274X25040234 (Mi jetpl7498) 		 
CONDENSED MATTER

Ultrafast luminescence kinetics and localization effects of nonequilibrium carriers in degenerate $n$-InGaN layers

K. E. Kudryavtsev, D. N. Lobanov, M. A. Kalinnikov, A. V. Novikov, B. A. Andreev, Z. F. Krasil'nik

Institute of Microstructure Physics, Russian Academy of Sciences, Nizhny Novgorod, 603087 Russia
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DOI: https://doi.org/10.31857/S0370274X25040234
Abstract: The effects of localization of nonequilibrium holes in degenerate epitaxial $n$-InGaN films with a high ($\sim$60%) indium content, which emit in the near-infrared region, are investigated. Using the photoluminescence spectroscopy data with the picosecond time resolution, the energy scales of the tails of the bands, the localization energy, and the width of the distribution of nonequilibrium holes in the random potential relief have been determined. Within the model of recombination of free electrons and localized holes, the character of the temperature quenching of emission and the red shift of the generation wavelength relative to spontaneous emission have been explained.
Funding agency Grant number
Russian Science Foundation 24-22-00320
This work was supported by the Russian Science Foundation (project no. 24-22-00320).
Received: 17.03.2025
Revised: 24.03.2025
Accepted: 24.03.2025
English version:
Journal of Experimental and Theoretical Physics Letters, 2025, Volume 121, Issue 8, Pages 655–661
DOI: https://doi.org/10.1134/S0021364024605207
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: K. E. Kudryavtsev, D. N. Lobanov, M. A. Kalinnikov, A. V. Novikov, B. A. Andreev, Z. F. Krasil'nik, “Ultrafast luminescence kinetics and localization effects of nonequilibrium carriers in degenerate $n$-InGaN layers”, Pis'ma v Zh. Èksper. Teoret. Fiz., 121:8 (2025), 688–695; JETP Letters, 121:8 (2025), 655–661
Citation in format AMSBIB
\Bibitem{KudLobKal25}
\by K.~E.~Kudryavtsev, D.~N.~Lobanov, M.~A.~Kalinnikov, A.~V.~Novikov, B.~A.~Andreev, Z.~F.~Krasil'nik
\paper Ultrafast luminescence kinetics and localization effects of nonequilibrium carriers in degenerate $n$-InGaN layers
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2025
\vol 121
\issue 8
\pages 688--695
\mathnet{http://mi.mathnet.ru/jetpl7498}
\edn{https://elibrary.ru/NGTWOP}
\transl
\jour JETP Letters
\yr 2025
\vol 121
\issue 8
\pages 655--661
\crossref{https://doi.org/10.1134/S0021364024605207}
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