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Thermoelectric properties of ternary silver thallium tellurides: Ag8T12Te5 and AgT13Te2 were studied above room temperature to slightly below the melting temperature. As for Ag8T12Te5, the effects of Te content on the thermoelectric properties were also studied by characterizing the samples of Ag8T12Tex (x = 5.0, 5.1, 5.2). Both compounds show positive Seebeck coefficient (S). Ag8T12Te5 indicates...
We have tried to enhance the thermoelectric figure of merit of polycrystalline AgTlTe by alloying Pd. In the present study, we prepared polycrystalline samples of Pd-0 at.%, Pd-5 at.%, Pd-10 at.% alloyed AgTlTe and measured the thermoelectric properties. Polycrystalline samples were prepared from appropriate amounts of Ag2Te, Tl 2Te and PdTe1.3. The electrical resistivity (rho), Seebeck coefficient...
We tried to improve the thermoelectric figure of merit of a ternary silver thallium telluride, Ag9TlTe5, by controlling the carrier concentration. We studied the effect of deviation from the stoichiometric composition by measuring the thermoelectric properties from room temperature to slightly below the melting temperature of polycrystalline Ag9TlTe5 with different nominal compositions. A minimal...
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