Optical Studies of Heat Transfer in PbTe:Bi(Sb) Thin Films

Electrical and thermal properties of lead-telluride films from 0.3 to 2.4 μm in thickness doped with antimony and bismuth, which were synthesized by thermal evaporation in vacuum, are investigated. Contact-free measurement of the in-plane thermal diffusivity is performed by the excitation of surface...

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Bibliographic Details
Published in:Semiconductors (Woodbury, N.Y.) N.Y.), 2018-12, Vol.52 (13), p.1691-1695
Main Authors: Ivakin, E. V., Kisialiou, I. G., Nykyruy, L. I., Yavorskyy, Y. S.
Format: Article
Language:English
Subjects:
Antimony
Bismuth
Electric contacts
Gratings (spectra)
Interfaces
Intermetallic compounds
Lead tellurides
Magnetic Materials
Magnetism
Physics
Physics and Astronomy
Surfaces
Tellurides
Thermal diffusivity
Thermodynamic properties
Thin Films
Vacuum thermal evaporation
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Description
Summary:Electrical and thermal properties of lead-telluride films from 0.3 to 2.4 μm in thickness doped with antimony and bismuth, which were synthesized by thermal evaporation in vacuum, are investigated. Contact-free measurement of the in-plane thermal diffusivity is performed by the excitation of surface transient gratings and it is shown that the developed doping technology leads to a noticeable decrease in this heat-transfer parameter when compared with undoped PbTe.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782618130067