4.0 Article

Urbach Rule in MnGa2Se4 Single Crystals Upon Optical Absorption

Journal

SEMICONDUCTORS
Volume 53, Issue 6, Pages 819-821

Publisher

PLEIADES PUBLISHING INC
DOI: 10.1134/S1063782619060137

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The Urbach rule in MnGa2Se4 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 MnGa2Se4 single crystals.

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