Phase diagram and thermodynamic properties of the system As-Te-I

Aliev Z., Babanly D., Babanlı M., Shevelkov A., Amiraslanov I.

Journal of Alloys and Compounds, vol.509, no.3, pp.602-608, 2011 (SCI-Expanded, Scopus) identifier

  • Nəşrin Növü: Article / Article
  • Cild: 509 Say: 3
  • Nəşr tarixi: 2011
  • Doi nömrəsi: 10.1016/j.jallcom.2010.09.198
  • jurnalın adı: Journal of Alloys and Compounds
  • Jurnalın baxıldığı indekslər: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Səhifə sayı: pp.602-608
  • Açar sözlər: Arsenic, Electro-motive force, Phase diagrams, Thermodynamic properties
  • Açıq Arxiv Kolleksiyası: Məqalə
  • Adres: Bəli

Qısa məlumat

The As-Te-I system has been investigated primarily by means of DTA, XRD analyses and EMF measurements with an arsenic electrode. The T-x diagram of the binary As-I system was accurately redefined and its phase diagram was constructed. A projection of the liquidus surface, an isothermal section at 300 K, and a series of polythermal sections of the phase diagram were constructed. The previously reported ternary compounds As5Te7I, As 4Te5I2 and As8Te7I 5 were confirmed to be equilibrium phases; the positions of phase areas with their participation were established. Areas of primary crystallization of phases, types and coordinates of the invariant equilibria on the T-x-y diagram were determined. From the X-ray powder diffraction (XRD) analysis, the crystallographic parameters of As4Te5I 2 and As8Te7I5 were determined. From the EMF measurements, the partial molar functions of arsenic (ΔḠ,ΔH̄,ΔS̄) as well as standard integral thermodynamic functions of ternary compounds were calculated. © 2010 Elsevier B.V. All rights reserved.