基于l带载流子麦克卢尔色散定律模型的铋输运系数的温度和浓度依赖性研究

Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589) Pub Date : 2001-06-08 DOI:10.1109/ICT.2001.979911

M. G. Bondarenko, V. Grabov, V. Kulikov, A.S. Parahin, A. V. Sidorov, O.N. Uryupin

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摘要

本文总结并提供了铋晶体的塞贝克系数和电阻率的实验数据。基于麦克卢尔载流子色散定律考虑了输运过程的一般规律。载流子的弛豫时间近似为温度和能量的幂函数。取三个实际带来计算这些材料的输运系数。通过对输运方程的数值求解，得到了电阻率和塞贝克系数。为了使实验结果与计算结果之间的差异最小化，采用最小二乘法选择了松弛律的各个参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Research of temperature and concentration dependences of bismuth transport coefficients on the McClure dispersion law model basis for L-band charge carriers

Experimental data on the Seebeck coefficient and electrical resistivity for bismuth crystals was summarized and supplied in this research. General laws of transport processes based on the McClure charge carrier dispersion law are considered. The relaxation time of charge carriers is approximated by a power function of the temperature and energy. Three actual bands are taken for calculation of the transport coefficient in these materials. Electrical resistivity and the Seebeck coefficient were found by numerical solution of the transport equation. Various parameters of the relaxation law are selected by the least square method for minimization of the difference between experimental and calculated results.

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Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589)

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