Volume 97, Number 4, February 2012
|Number of page(s)||6|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||20 February 2012|
Plasmon resonant light scattering on spheroidal metallic nanoparticle embedded in a dielectric matrix
Bogolyubov Institute for Theoretical Physics, NAS of Ukraine - 14-b Metrologichna Str., Kyiv, 03143, Ukraine
Accepted: 23 January 2012
The efficiency of light scattering on metal nanoparticles with an excitation of plasmon resonance electron vibrations is calculated. The behavior of the light scattering in a region of the surface plasmon resonance is studied in detail. A simple universal formula for light scattering cross-section by a metal nanoparticle with different shape embedded in any dielectric media is obtained. It is shown that the distance between the doublet peaks makes it possible to estimate the degree of oblateness or prolateness of a nanoparticle. The sensitivity to the shape and size of a metal nanoparticle, as well as to the scattering angle is illustrated for the Au nanoparticle.
PACS: 52.25.Os – Emission, absorption, and scattering of electromagnetic radiation / 61.05.jd – Theories of electron diffraction and scattering / 78.67.Bf – Nanocrystals, nanoparticles, and nanoclusters
© EPLA, 2012
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