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Title: Phase composition and thermoelectric properties of materials in Pb-Ag-Te system
Authors: Haluschak, M.
Mudryi, S.
Lopianko, М.
Optasyuk, S.
Semko, T.
Nykyruy, L.
Horichok, I.
Keywords: Doping; Lead telluride; Solid solutions; Thermoelectric properties
Issue Date: Aug-2016
Publisher: Journal of Thermoelectricity
Citation: Haluschak, M. O., Mudryi, S. I., Lopyanko, M. A., Optasyuk, S. V., Semko, Т. О., Nikiruy, L. I., & Horichok, I. V. (2016). Phase composition and thermoelectric properties of materials in Pb-Ag-Te system. Journal of thermoelectricity, (3), 34-39.
Abstract: The phase composition and thermoelectric properties of silver doped lead telluride with impurity concentration 0.3, 0.5, 1.0 at. % and of Pb18-xAg2Te20 (x = 0, 0.5, 1.0) and Pb17Ag3Te20. solid solutions were investigated. It was established that Pb phase exists in the samples on doping, and Te and Ag10.6Te7 exist in solid solutions. All materials under study are characterized by high values of the Seebeck coefficient (> 300 μV/K), and the samples of solid solutions, in addition, exhibit low thermal conductivity (≈ 0.003 W/(cm·K)).
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