Open AccessПравила Урбаха в монокристаллах MnGa-=SUB=-2-=/SUB=-Sе-=SUB=-4-=/SUB=- при оптических поглощениях
Author(s) -
N. N. Niftiev
Publication year - 2019
Publication title -
физика и техника полупроводников
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2019.06.47737.9059
Subject(s) - condensed matter physics , absorption (acoustics) , phonon , materials science , electron , range (aeronautics) , crystallography , chemistry , physics , quantum mechanics , composite material
The Urbach rule in MnGa_2Se_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_2Se_4 single crystals.
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