Plasmon resonances in a two-dimensional lattice of metal particles in a dielectric layer: Structural and polarization properties


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The results of experimental and theoretical investigation of planar two-dimensional (2D) samples of plasmon structures are presented. The samples represent a 2D lattice of gold nanoparticles embedded in a thin dielectric layer and are studied by atomic force microscopy (AFM) and optical methods. Absorption bands associated with the excitation of various surface plasmon resonances (SPR) are interpreted. It is found that the choice of the mutual orientation of the polarization plane and the edge of the unit cell of the 2D lattice determines the spectral position of the lattice surface plasmon resonance (LSPR) related to the lattice period. It is shown that the interaction of p- and s-polarized light with a 2D lattice of nanoparticles is described by the dipole–dipole interaction between nanoparticles embedded in a medium with effective permittivity. Analysis of the spectra of ellipsometric parameters allows one to determine the amplitude and phase anisotropy of transmission, which is a consequence of the imperfection of the 2D lattice of samples.

作者简介

A. Shaimanov

All-Russia Research Institute of Automatics; Moscow State University

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Email: shaymanov@inbox.ru
俄罗斯联邦, ul. Sushchevskaya 22, Moscow, 127055; Moscow, 119991

K. Khabarov

All-Russia Research Institute of Automatics; Moscow Institute of Physics and Technology

Email: shaymanov@inbox.ru
俄罗斯联邦, ul. Sushchevskaya 22, Moscow, 127055; Dolgoprudnyi, Moscow oblast, 141700

A. Merzlikin

All-Russia Research Institute of Automatics; Moscow Institute of Physics and Technology; Institute for Theoretical and Applied Electrodynamics

Email: shaymanov@inbox.ru
俄罗斯联邦, ul. Sushchevskaya 22, Moscow, 127055; Dolgoprudnyi, Moscow oblast, 141700; Izhorskaya ul. 13, Moscow, 125412

I. Bykov

All-Russia Research Institute of Automatics; Institute for Theoretical and Applied Electrodynamics; Bauman Moscow State Technical University

Email: shaymanov@inbox.ru
俄罗斯联邦, ul. Sushchevskaya 22, Moscow, 127055; Izhorskaya ul. 13, Moscow, 125412; Vtoraya Baumanskaya ul. 5, Moscow, 105005

A. Baryshev

All-Russia Research Institute of Automatics; Moscow Institute of Physics and Technology; Ioffe Physical-Technical Institute

Email: shaymanov@inbox.ru
俄罗斯联邦, ul. Sushchevskaya 22, Moscow, 127055; Dolgoprudnyi, Moscow oblast, 141700; Politekhnicheskaya ul. 26, St. Petersburg, 194021

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