Phase Relations and Transport Properties of Alloys in the Bi2Te3-T1GaTe2 System

Using physicochemical analysis, the Bi,Te3-T1GaTe2 system is shown to contain Bi2Te3- and TIGaTe2-based restricted solid-solution series and a liquid-liquid miscibility gap in the composition range approx 12-30 mol % T1GaTe2. The power factor alpha2sigma of (Bi2Te3)1-x (TlGaTe2)x solid solutions wit...

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Bibliographic Details
Published in:Inorganic materials 2005-07, Vol.41 (7), p.683-684
Main Authors: Abilov, Ch I, Seidov, M M
Format: Article
Language:English
Online Access:Get full text
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Summary:Using physicochemical analysis, the Bi,Te3-T1GaTe2 system is shown to contain Bi2Te3- and TIGaTe2-based restricted solid-solution series and a liquid-liquid miscibility gap in the composition range approx 12-30 mol % T1GaTe2. The power factor alpha2sigma of (Bi2Te3)1-x (TlGaTe2)x solid solutions with 0.01 < or = x < or = 0.02 is suitable for thermoelectric applications.
ISSN:0020-1685