Electrophysical properties of SmxPb₁₋xTe solid solutions

Abstract

The electrophysical properties of SmxPb₁₋xTe (x ≤ 0.08) solid solutions have been investigated. The electric conductivity, Hall coefficient and Hall mobility of charge carriers in the temperature range 80 to 800 К have been measured. The mechanism of charge carrier scattering in solid solutions has been ascertained. It is established that increase of samarium content and simultaneous participation of interacting Sm²⁺ and Sm³⁺ ions in the transfer process lead to decrease in electric conductivity. The change of conductivity type from p- to n-type means that obtained solid solutions are partly compensated semiconductors.