High-frequency conductivity of a metal nanolayer taking into account the size quantization effects and conductor band structure anisotropy
Savenko O. V.
1, Kuznetsova I. A.
11Demidov State University, Yaroslavl, Russia
Email: savenko.oleg92@mail.ru, kuz@uniyar.ac.ru
A theoretical task solution of metallic nanolayer high-frequency electrical conductivity is obtained, taking into account the electron quantum confinement effects. The conductor Fermi surface is an ellipsoid of revolution with its principal axis oriented parallel to the nanolayer plane. It is assumed that the electric field frequency does not exceed the plasma resonance frequency. Analytical expressions are derived for the conductivity tensor components, depending on the dimensionless parameters: nanolayer thickness, electric field frequency, nanolayer boundary roughness parameters and Fermi surface ellipticity parameter. A comparative analysis of the obtained results with known experimental data for a bismuth film is performed. Keywords: nanolayer, conductivity, Liouville equation, Soffer model, Fermi surface.
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