Phase Equilibria in the Cu2Se–Cu3AsSe4–Se System and Thermodynamic Properties of Cu3AsSe4

Mashadieva L., Gasanova Z., Yusibov Y. A., Babanlı M.

Inorganic Materials, vol.54, no.1, pp.8-16, 2018 (SCI-Expanded, Scopus) identifier

  • Nəşrin Növü: Article / Article
  • Cild: 54 Say: 1
  • Nəşr tarixi: 2018
  • Doi nömrəsi: 10.1134/s0020168518010090
  • jurnalın adı: Inorganic Materials
  • Jurnalın baxıldığı indekslər: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Səhifə sayı: pp.8-16
  • Açar sözlər: copper arsenic selenides, Cu3AsSe4 compound, Cu–As–Se system, liquidus surface, phase diagram, thermodynamic properties
  • Açıq Arxiv Kolleksiyası: Məqalə
  • Adres: Bəli

Qısa məlumat

The Cu2Se–Cu3AsSe4–Se system has been studied using differential thermal analysis, X-ray diffraction, and emf measurements on concentration cells using Cu4RbCl3I2 as a solid electrolyte. We have constructed a number of vertical sections through the phase diagram, the room-temperature solid-state phase compatibility diagram, and a projection of the liquidus surface. The primary crystallization fields of the phases present and the types and coordinates of in- and univariant equilibria in the system have been identified. The system has been shown to contain a broad liquid–liquid immiscibility region. Using emf data, we evaluated the standard thermodynamic functions of formation and standard entropy of the Cu3AsSe4 compound.