Urbach Rule in MnGa{sub 2}Se{sub 4} Single Crystals Upon Optical Absorption

Urbach Rule in MnGa{sub 2}Se{sub 4} Single Crystals Upon Optical Absorption

The Urbach rule in MnGa{sub 2}Se{sub 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{sub 2}Se{sub 4} single crystals.

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Veröffentlicht in:Semiconductors (Woodbury, N.Y.) N.Y.), 2019-06, Vol.53 (6)
1. Verfasser: Niftiyev, N. N.
Format: Artikel
Sprache:eng
Schlagworte:
ABSORPTION
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ELECTRON-PHONON COUPLING
GALLIUM SELENIDES
INTERACTIONS
MONOCRYSTALS
WAVELENGTHS
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Zusammenfassung:The Urbach rule in MnGa{sub 2}Se{sub 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{sub 2}Se{sub 4} single crystals.
ISSN:1063-7826
1090-6479