Surface conductivity and bulk thermoelectric properties of thermoelements on the basis of extruded samples of Bi0.5Sb1.5Te3 and Bi2Te2.7Se0.3 solid solutions

G. Z. Bagiyeva; N. B. Mustafayev; D. Sh. Abdinov

doi:10.1117/12.407753

28 November 2000 Surface conductivity and bulk thermoelectric properties of thermoelements on the basis of extruded samples of Bi_0.5Sb_1.5Te₃ and Bi₂Te_2.7Se_0.3 solid solutions

G. Z. Bagiyeva, N. B. Mustafayev, D. Sh. Abdinov

Author Affiliations +

Proceedings Volume 4340, 16th International Conference on Photoelectronics and Night Vision Devices; (2000) https://doi.org/10.1117/12.407753
Event: XVI International Conference on Photoelectronics and Night Vision Devices, 2000, Moscow, Russian Federation

Abstract

Surface conductivity of the thermoelements on a basis of the extruded samples of Bi_0.5Sb_1.5Te₃ and Bi₂Te_2.7Se_0.3 solid solutions and influence of the distorted surface layer, arising at manufacturing thermoelements on their bulk thermoelectric properties have been investigated over 77-470 K temperature range. It is found that thermoelectrical efficiency of thermoelements after treatment of a surface increases by 10-20%. The obtained results are explained by creating of the distorted layer of approximately 20 micrometers thickness on a surface of thermoelements in the course of their manufacturing.

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G. Z. Bagiyeva, N. B. Mustafayev, and D. Sh. Abdinov "Surface conductivity and bulk thermoelectric properties of thermoelements on the basis of extruded samples of Bi_0.5Sb_1.5Te₃ and Bi₂Te_2.7Se_0.3 solid solutions", Proc. SPIE 4340, 16th International Conference on Photoelectronics and Night Vision Devices, (28 November 2000); https://doi.org/10.1117/12.407753

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