Magnetothermoelectrical and adhesive properties of commutation contacts of thermoelements on the basis of extruded samples of Bi<sub>85</sub>Sb<sub>15</sub> solid solution

M. M. Tagiyev

doi:10.1117/12.523890

30 September 2003 Magnetothermoelectrical and adhesive properties of commutation contacts of thermoelements on the basis of extruded samples of Bi₈₅Sb₁₅ solid solution

M. M. Tagiyev

Author Affiliations +

Proceedings Volume 5126, 17th International Conference on Photoelectronics and Night Vision Devices; (2003) https://doi.org/10.1117/12.523890
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

A study of electrical and adhesive properties of transient contacts for extruded samples of Bi85Sb15 solid solutions have been conducted with alloys: 25Bi + 50Pb + 12.5Cd + 12.5Sn with Tm = 343 K (Wood"s alloy) and 57Bi + 45Sn with Tm =412 K in temperature range ~77-300 K and magnetic field intensity (H) up to ~74x104 A/m. It is shown that resistance of transient contacts (rk) of the extruded of Bi85Sb15 solid solution with the specified contact alloys at ~77K is determined by the resistance of the structure the solid solution Bi85Sb15-solid solution Bi85Sb15, heavily doped by Pb and Sn atoms, diffused from contact alloy into near-contact area of the Bi85Sb15 solid solution. It is established, that by doping extruded samples of Bi85Sb15 solid solution with Pb atoms it is possible to achieve reduction of a transient contact resistance rk in Bi85Sb15 solid solution - contact alloy interface.

Citation Download Citation

M. M. Tagiyev "Magnetothermoelectrical and adhesive properties of commutation contacts of thermoelements on the basis of extruded samples of Bi₈₅Sb₁₅ solid solution", Proc. SPIE 5126, 17th International Conference on Photoelectronics and Night Vision Devices, (30 September 2003); https://doi.org/10.1117/12.523890

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