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The Mg2Si-matrix thermoelectric material was synthesized by low temperature solid-state reaction.This paper studies the effects of holding time and reaction temperature on the particle size and the properties of the material,and also studies effects of doping elemental Sb,Te and their doping seqence on the properties of the material.The result shows that excessively high temperature and elongated holding time of solid-state reaction are harmful,there is a range of particle size to ensure optimum properties and the doping sequence of Sb or Te without influencing the properties.

参考文献

[1] Morris R G;Redin R D;Danielson G C .Semiconducting Properties of Mg2Si Single Crystals[J].Electrical Transport Phenomena,1958,109(06):1909-1915.
[2] Rowe D M;Bhandari C M.Morden Thermoelectricity[M].Holt Rinchalt and Wiston London,1983
[3] 姜洪义,冷永刚,张联盟.Mg2Si固相反应的热力学评估及工艺优化[J].武汉理工大学学报,2001(08):7-10.
[4] Changyun-Wu.The Introduction of Crystallography[M].北京:北京大学出版社,1984:24-32.
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