Abstract
This study compiles original experimental and literature data on the thermodynamic properties (ΔfG°, S°, ΔfH°) of silver tellurides (α-Ag2Te, β-Ag2Te, Ag1.9Te, Ag5Te3, AgTe) obtained by the method of solid-state galvanic cell with the RbAg4I5 and AgI solid electrolytes. The thermodynamic data for empressite (AgTe, pure fraction from Empress Josephine Mine, Colorado USA) have been obtained for the first time by the electrochemical experiment with the virtual reaction Ag + Te = AgTe. The Ag–Te phase diagrams in the T − x and logfTe2 (gas) − 1/T coordinates have been refined, and the ternary Ag–Te–O diagrams with Ag–Te–TeO2 (paratellurite) composition range have been calculated.
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