Surface Plasmons in Thin Metallic Films
A.V. Latyshev, A.A. Yushkanov
TL;DR
This paper provides an analytical solution for surface plasma oscillations in thin metallic films, especially when the film thickness is less than the skin layer, revealing how oscillation frequency depends on wave number.
Contribution
It introduces an analytical approach to describe surface plasma oscillations in thin metallic films with arbitrary electron mean free path to film thickness ratio.
Findings
Analytical solution for surface plasma oscillations in thin films.
Frequency dependence of surface plasmons on wave number.
Applicable to films with various electron mean free paths.
Abstract
For the first time it is shown that for thin metallic films thickness of which not exceed thickness of skin -- layer, the problem of description of surface plasma oscillations allows analytical solution by arbitrary ratio between length of electrons free path and thickness of a film. The dependance of frequency surface plasma oscillations on wave number is carry out.
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Taxonomy
TopicsPlasmonic and Surface Plasmon Research · Optical Coatings and Gratings · Surface and Thin Film Phenomena