Abstract
A method is developed for the synthesis of ZnSb and β-Zn4Sb3 compounds using fast melt crystallization on a rotating disk (melt spinning) to obtain powders. The microstructure and thermoelectric properties of samples obtained by hot pressing of powders prepared by this method are studied. The microstructure, chips, and composition of the samples are studied using optical and scanning electron microscopy. The nanosized grain structure of the obtained materials is established. The thermoelectric parameters of the samples, the Seebeck coefficient, electrical conductivity, and thermal conductivity, are measured in the temperature range from 300 to 700 K. The coefficient of thermoelectric figure of merit is calculated. The highest quality factor (ZТ = 0.8 at 600 K) is observed for hot-pressed samples of β-Zn4Sb3.
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The study was carried out according to the state task no. 075-00715-22-00.
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Ivanova, L.D., Granatkina, Y.V., Nikhezina, I.Y. et al. New Method for Obtaining ZnSb and Zn4Sb3. Inorg. Mater. Appl. Res. 13, 1209–1215 (2022). https://doi.org/10.1134/S2075113322050136
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DOI: https://doi.org/10.1134/S2075113322050136