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

E. V. Ivakin; I. G. Kisialiou; L. I. Nykyruy; Y. S. Yavorskyy

doi:10.1134/S1063782618130067

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

Authors: Ivakin E.V.¹, Kisialiou I.G.¹, Nykyruy L.I.², Yavorskyy Y.S.²
Affiliations:
1. Stepanov Institute of Physics, National Academy of Sciences
2. Stefanik Precarpathian National University
Issue: Vol 52, No 13 (2018)
Pages: 1691-1695
Section: Surfaces, Interfaces, and Thin Films
URL: https://journals.rcsi.science/1063-7826/article/view/204874
DOI: https://doi.org/10.1134/S1063782618130067
ID: 204874

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Abstract

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.