Temperature Dependencies of Electrical Properties of Thin Films Based on PbSnAgTe Solid Solutions

R.O. Dzumedzey; Ya.P. Saliy; I.V. Horichok

doi:10.15330/pcss.21.4.640-644

Authors

R.O. Dzumedzey Vasyl Stefanyk Precarpathian National University
Ya.P. Saliy Vasyl Stefanyk Precarpathian National University
I.V. Horichok Vasyl Stefanyk Precarpathian National University

DOI:

https://doi.org/10.15330/pcss.21.4.640-644

Keywords:

lead telluride, solid solution, electrical property, thin films, LATT

Abstract

The electrical properties of thin polycrystalline films of solid solutions Pb₁₈Ag₂Te₂₀, Pb₁₆Sn₂Ag₂Te_20, and Pb₁₄Sn₄Ag₂Te₂₀ (LATT) on mica-muscovite substrates have been investigated. The temperature dependencies of concentration and mobility of charge carriers for these condensates are researched. Predominant scattering mechanisms are established. These are scattering on ionized impurities and acoustic phonons at low and high temperatures respectively.

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