EXPONENTIAL ABSORPTION SPECTRUM AND DENSITY DISTRIBUTION OF ELECTRONIC STATES ON THE TAIL OF THE VALENCE ZONE OF AMORPHOUS SEMICONDUCTORS

Muminov Khurshidbek Adhamjon ugli, Otamirzaev Doniyor Rustam ugli, Saloydinov Sardorjon Qodirjon ugli

Research Focus · 2022-yil

Annotatsiya

The analytical expression of the spectrum, derived for the region of exponential absorption of amorphous semiconductors, is investigated. The parameters in this expression that determine the slope of the tails of the allowed bands are determined by fitting to the exponential absorption spectrum, which are determined experimentally. For the Davis-Mott approximation, a new formula is derived from the Kubo-Greenwood formula, which determines the densities of electronic states at the tail of the valence band. Using these formulas and the experimentally determined exponential absorption spectrum, it is shown that it is possible to determine the density of electronic states at the tail of the valence band.

Maqola ma’lumotlari
MualliflarMuminov Khurshidbek Adhamjon ugli, Otamirzaev Doniyor Rustam ugli, Saloydinov Sardorjon Qodirjon ugli
JurnalResearch Focus
Nashr sanasi2022-10-05
Jild1
Son1
Betlar195-200
TilIngliz

Maqolaning asl sahifasi

Kalit so‘zlar

amorphous semiconductors, tails of allowed bands, Kubo-Greenwood formula, Davies-Mott approximation method, electronic optical transitions, exponential absorption spectrum, energy gap width, parameters determining the slope of allowed band tails, distribution of the density of electronic states.

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