Abstract
Transport properties, namely electrical conductivity σ, Hall coefficient R H and thermoelectric power Q, have been measured for thin films of the ternary chalcopyrite compounds CuInS 2, CuInSe 2 and CuInTe 2 as a function of temperature in the range 80–400 K. The calculated values of the carrier concentration for the three compounds showed that all films are non-degenerate p-type semiconductors. The effective mass m ∗ was found to decrease with increasing temperature. The temperature dependence of the Hall mobility for the three compounds showed that it increases with increasing temperature. The results were analysed in order to establish the conduction mechanism in these compounds.
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