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The thermoelectric properties of polycrystalline materials on the base of WS2 with Nb partial replacement of metal atoms W have been researched in this work. The temperature characteristics of the materials have been measured in the temperature range from 77 to 300 K. We have found that replacement of metal atoms W partly with Nb significantly increases the electrical conductivity and decreases the...
The paper reports on electron transport properties of tungsten disulphide doped with rhenium: WS2, W0.95Re0.05S2, W0.90Re0.10S2 and W0.85Re0.15S2. Polycrystalline powders of the compositions were synthesized by direct high temperature reactions of elements with stoichiometric rations. Experimental samples were formed of the powders by conventional compress technology at a pressure of 1.5 GPa. The...
Transition metal chalcogenides are perspective thermoelectric materials which have a great interest for application. In this work, the polycrystalline bulk WS2 and solid solutions WS2−ySey types have been studied. In contrast to the literature data obtained at higher temperatures, we have investigated the thermoelectric properties of these materials at low and middle temperatures (77–450K). The temperature...
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