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Atomic dynamics of semiconductor-metal nano-interface

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5 Author(s)
Syrkin, Y.S. ; Inst. for Low Temp. Phys. & Eng., Ukrainian Acad. of Sci., Kharkov, Ukraine ; Shkorbatov, A.G. ; Feher, A. ; Polyakov, M.L.
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The propagation of acoustic waves through interface of two crystals is studied on microscopic level using the discrete lattice model. The phonon transmission through the intercalated layer between two semi-infinite lattices is considered. The general expressions for energy fluxes and impedances are proposed. The resonance transmission of phonons through the interface of the 3D pressure made Si-Cu point contact was studied using the discrete model of the crystal lattice. We show that anomalous behavior of the reduced heat flux in the temperature range 1 K < T < 25 K are induced by the resonance transport of phonons through the layer of impurity atoms. The data obtained are in a good agreement with the experimental results.

Published in:

Advanced Optoelectronics and Lasers, 2005. Proceedings of CAOL 2005. Second International Conference on  (Volume:2 )

Date of Conference:

12-17 Sept. 2005