磁场中铋酸铋电阻和热电功率的形状效应

Eighteenth International Conference on Thermoelectrics. Proceedings, ICT'99 (Cat. No.99TH8407) Pub Date : 1999-08-29 DOI:10.1109/ICT.1999.843378

Y. Hasegawa, H. Okumura, N. Kondo, N. Shuto, S. Yamaguchi, N. Sato

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引用次数: 1

摘要

在磁场作用下，对铋锑单晶的轴向进行了塞贝克系数和电阻率的测量。实验观察了磁场效应。利用二维计算机编码计算了磁场对样品的形状效应;所研究的效应包括霍尔效应、热电效应、能斯特效应和勒杜克-里吉效应。考虑现象学方程，我们比较了单晶铋锑的实验结果和计算结果。结果在0和4特斯拉之间很好地吻合。由此，实验和计算均表明，热电元件的电极形状会引起塞贝克系数和电阻率的变化。

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Shape effect of resistance and thermoelectric power for BiSb in a magnetic field

The measurement of the Seebeck coefficient and resistivity was performed for a direction of the axis of the single crystal of bismuth-antimony in a magnetic field. The magnetic field effects were observed experimentally. We calculated the shape effects on the sample of the magnetic field using a two-dimensional computer code; effects studied included the Hall effect, thermoelectric effect, Nernst effect, and the Leduc-Righi effect. Considering phenomenological equations, we compared experimental results utilizing single crystal bismuth-antimony and calculations. The results are in good agreement between 0 and 4 Tesla. It is thus shown both by experiment and calculation that the electrode shape of the thermoelectric element causes variation in the Seebeck coefficient and resistivity.

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

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