A/sub 8//sup II/B/sub 16//sup III/B/sub 30//sup IV/包合物的制备及热电性能

Eighteenth International Conference on Thermoelectrics. Proceedings, ICT'99 (Cat. No.99TH8407) Pub Date : 1999-08-29 DOI:10.1109/ICT.1999.843362

V. Kuznetsov, L. Kuznetsova, A. Kaliazin, D. Rowe

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引用次数: 15

摘要

本文报道了Ba/sub 8/Ga/sub 16/Si/sub 30/、Ba/sub 8/Ga/sub 16/Ge/sub 30/、Ba/sub 8/Ga/sub 16/Sn/sub 30/、Sr/sub 8/Ga/sub 16/Ge/sub 30/等包合物输运性质的制备、表征和温度依赖性测定。利用x射线衍射、差热分析、电阻率、塞贝克系数和霍尔系数测量对样品进行了表征。该材料具有中等的负塞贝克系数和低电阻率，随温度升高而增大。评估了这些材料热电应用的潜力。

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Preparation and thermoelectric properties of A/sub 8//sup II/B/sub 16//sup III/B/sub 30//sup IV/ clathrate compounds

The preparation, characterisation and measurements of the temperature dependence of the transport properties of clathrate compounds Ba/sub 8/Ga/sub 16/Si/sub 30/, Ba/sub 8/Ga/sub 16/Ge/sub 30/, Ba/sub 8/Ga/sub 16/Sn/sub 30/, and Sr/sub 8/Ga/sub 16/Ge/sub 30/ are reported. The samples were characterised using X-ray diffraction, differential thermal analysis, electrical resistivity, Seebeck coefficient and Hall coefficient measurements. The materials possess a moderate negative Seebeck coefficient and a low electrical resistivity which increase with increasing temperature. The potential for thermoelectric applications of these materials is assessed.

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Eighteenth International Conference on Thermoelectrics. Proceedings, ICT'99 (Cat. No.99TH8407)

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