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JOURNALS // Fizika Tverdogo Tela // Archive

Fizika Tverdogo Tela, 2021 Volume 63, Issue 12, Pages 2157–2161 (Mi ftt7927)

This article is cited in 1 paper

Continued publication of the materials of the seminar in FTT N 01/22
Optical properties

On the nature of stimulated emission in ZnO in a wide temperature range

I. Kh. Akopyan, M. È. Labzovskaya, B. V. Novikov, A. Yu. Serov

Saint Petersburg State University

Abstract: In this work, the near-edge emission of the ZnO MBE films was investigated in a wide range of the excitation intensity (to 1000 kW/cm$^2$) and temperature (5 – 300 K). The manifestations of exciton-phonon, exciton-exciton and exciton-electron interactions in the spectra of stimulated emission are discussed. Changes in the mechanisms of stimulated emission in different temperature ranges was found.

Keywords: exciton radiation, stimulated radiation, exciton–exciton interaction, exciton–electron interaction.

Received: 25.07.2021
Revised: 25.07.2021
Accepted: 04.08.2021

DOI: 10.21883/FTT.2021.12.51678.175


 English version:
Physics of the Solid State, 2022, 64:1, 1–5

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© Steklov Math. Inst. of RAS, 2024