Transport Phenomena In Single Crystals Tl1−XIn1−XGeXSe2 (x=0.1, 0.2)

Author:

Zamurueva O.V.,Myronchuk G.L.,Oźga K.,Szota M.,El-Naggar A.M.,Albassam A.A.,Parasyuk O.V.,Piskach L.V.,Kityk I.V.

Abstract

Abstract Temperature dependences of electroconductivity for single crystals Tl1−xIn1−xGexSe2 were analyzed. It was established an occurrence of thermoactivated states within the temperature range 100-300 K. The conductivity is formed by delocalized carriers within the conductivity band and the jumping conductivity over the localized states which are situated in the narrow localized states near the Fermi level. Following the performed data the activation energy was evaluated with accuracy up to 0.02 eV. The density of the localized states as well as the distribution of the energy over the mentioned states was evaluated. Additionally the average distance between the localized states is evaluated at different temperatures.

Publisher

Walter de Gruyter GmbH

Subject

Metals and Alloys

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