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Point Defects and Physico-Chemical Properties of Crystals in Pb-Bi-Te System

Dmytro Freik and Liliya Turovska
Affiliation: 
Vasyl Stefanyk Precarpathian National University 57, Shevchenko str., 76018 Ivano-Frankivsk, Ukraine; freik@pu.if.ua
DOI: 
https://doi.org/10.23939/chcht07.04.375
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Abstract: 
Within crystalquasichemical formalism models of point defects of crystals in the Pb-Bi-Te system have been specified considering the amphoteric action of impurities in bismuth doped lead telluride PbTe:Bi, and solid solution formation mechanisms for РbТе-ВіТе and РbТе-Ві2Те3 have been examined. Dependences of Hall concentration and the concentration of point defects on the composition and the initial deviation from stoichiometry in the basic matrix have been calculated.
References: 

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