Plasmon resonant light scattering on spheroidal metallic nanoparticle embedded in a dielectric matrix

被引：21
|
作者：
Grigorchuk, N. I. [1 ]
机构：
[1] NAS Ukraine, Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine
来源：
EPL | 2012年 / 97卷 / 04期
关键词：
SPECTROSCOPY;
D O I：
10.1209/0295-5075/97/45001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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. Copyright (C) EPLA, 2012
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