核壳填充夹杂物Bi2Te2.7Se0.3+Fe复合材料的组织和热电性能特征

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS Glass and Ceramics Pub Date : 2023-10-02 DOI:10.1007/s10717-023-00593-7

A. E. Vasil’ev, O. N. Ivanov, M. N. Yapryntsev, M. Zhezhu

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摘要

确定了以Bi2Te2.7Se0.3为基体和Fe填料的复合材料的热电性能和微观结构特征。与Bi2Te2.7Se0.3基体相比，填料重量含量为0.3%Fe的组合物具有更高的品质因数ZT。对于该组合物，ZT的最大值达到约0.75，而对于Bi2Te2.7Se0.3ZT不超过约0.63。因此，在Bi2Te2.7Se0.3+Fe体系的复合材料中，热电品质因数可以提高约20%。

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Features of the Microstructure and Thermoelectric Properties of Bi2Te2.7Se0.3 + Fe Composites with Core–Shell Filler Inclusions

Features of the thermoelectric properties and microstructure of composites with a matrix based on Bi₂Te_2.7Se_0.3 and an Fe filler were ascertained. A composition with filler weight content 0.3% Fe has a higher quality factor ZT compared to the Bi₂Te_2.7Se_0.3 matrix. For this composition the maximum value of ZT reaches about 0.75, while for Bi₂Te_2.7Se_0.3 ZT does not exceed about 0.63. So, in a composite of the system Bi₂Te_2.7Se_0.3 + Fe the thermoelectric quality factor can be increased by about 20%.

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来源期刊

Glass and Ceramics 工程技术-材料科学：硅酸盐

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.