This article is cited in 1 paper

Micro- and nanocrystalline, porous, composite semiconductors

Urbach rule in MnGa$_{2}$Sе$_{4}$ single crystals upon optical absorption

N. N. Niftiyev

N. Tusi Azerbaijan State Pedagogical University, Baku, Azerbaijan

Abstract: The Urbach rule in MnGa$_{2}$Sе$_{4}$ single crystals is studied. It is found that the long-wavelength absorption tail obeys the Urbach rule at photon energies in the range 2.1–2.2 eV. It is shown that a strong electron–phonon interaction exists in MnGa$_{2}$Sе$_{4}$ single crystals.

Received: 09.01.2019
Revised: 31.01.2019
Accepted: 31.01.2019

DOI: 10.21883/FTP.2019.06.47737.9059

 English version: Semiconductors, 2019, 53:6, 819–821

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