PbTe-Bi 2Te 3-Te system studied by EMF measurements

Babanlı M., Shevel'kov A., Guseinov F., Babanly D.

Inorganic Materials, vol.47, no.7, pp.712-716, 2011 (SCI-Expanded, Scopus) identifier

  • Nəşrin Növü: Article / Article
  • Cild: 47 Say: 7
  • Nəşr tarixi: 2011
  • Doi nömrəsi: 10.1134/s002016851107003x
  • jurnalın adı: Inorganic Materials
  • Jurnalın baxıldığı indekslər: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Səhifə sayı: pp.712-716
  • Açıq Arxiv Kolleksiyası: Məqalə
  • Adres: Bəli

Qısa məlumat

The Pb-Bi-Te system has been studied in the composition region PbTe-Bi 2Te 3-Te at temperatures from 300 to 430 K using emf measurements on reversible concentration cells of the type (-)PbTe(s) | liquid electrolyte, Pb 2+ | (Pb-Bi-Te)(s)(+). The subsolidus phase diagram inferred from the emf data includes the ternary compounds PbBi 6Te 10, PbBi 4Te 7, Pb 2Bi 6Te 11, and PbBi 2Te 4 of the nPbTe · mBi 2Te 3 homologous series. Best fit equations for the temperature-dependent emf data were used to determine the partial thermodynamic functions (ΔG, ΔH, and ΔS) of the PbTe in the alloys. Using these partial molar functions, subsolidus phase diagram data for the PbTe-Bi 2Te 3-Te system, and relevant data for PbTe and Bi 2Te 3, we calculated the standard thermodynamic functions of formation and standard entropies of the above ternary compounds. © Pleiades Publishing, Ltd., 2011.