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Proceedings Paper

Electronic and physical-chemical phenomena in commutational contact thermoelements of thermoelectrical coolers
Author(s): T. D. Alieva; H. M. Akhundova; D. Sh. Abdinov
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Paper Abstract

The main physicochemical phenomena occurring at the interface of Bi2Te3-Sb2Te3 and Bi2Te3-Bi2Se3 crystals with Bi-, Sb-, Sn-, Pb-, Cd-, Ag-, and Ni-based metallic alloys (contact materials) are analyzed. It is shown that crystal surface damage, diffusion of the contact material into the near-contact region accompanied by changes in carrier concentration and work function, and the formation of intermediate-phase layers at the interface play a decisive role in the formation of electrical and adhesive properties of the contacts. It is demonstrated that low-resistance transition contacts with stable electrical parameters and sufficient adhesion strength can be fabricated.

Paper Details

Date Published: 10 June 1999
PDF: 4 pages
Proc. SPIE 3819, International Conference on Photoelectronics and Night Vision Devices, (10 June 1999); doi: 10.1117/12.350907
Show Author Affiliations
T. D. Alieva, Institute of Photoelectronics (Azerbaijan)
H. M. Akhundova, Institute of Photoelectronics (Azerbaijan)
D. Sh. Abdinov, Institute of Photoelectronics (Azerbaijan)

Published in SPIE Proceedings Vol. 3819:
International Conference on Photoelectronics and Night Vision Devices
Anatoly M. Filachev, Editor(s)

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