Charge Transport and Thermo-emf in TlFe1−xGaxS2 Solid Solutions

الملخص EN

TlFe1−xGaxS2 solid solutions have been prepared by direct elemental synthesis.

The dependences of the thermoelectric properties and DC conductivity on temperature have been studied in TlFe1−xGaxS2 solid solutions.

In terms of hopping mechanism of charge transfer, the parameters of localized states in the forbidden gap of TlFe1−xGaxS2 have been evaluated.

The type of conductivity has been determined from the temperature dependences of thermoelectric power of TlFe1−xGaxS2 solid solutions.