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Lead chalcogenides have long been studied as promising thermoelectric materials, operating at the mid-temperature range of 500–950 K. Here, we studied thermoelectric properties of pseudo-quaternary compounds of (PbTe)0.95−x(PbSe)x(PbS)0.05 (x = 0.0, 0.05, 0.10, 0.15, 0.20, 0.35, and 0.95) with 1% Na-doping, synthesized by melting and rapid quenching of pristine compounds of PbTe, PbSe, and PbS and...
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