Characteristic near-field spectra of single gold nanoparticles

被引：39
作者：
Imura, K
Nagahara, T
Okamoto, H
机构：
[1] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
[2] Grad Univ Adv Studies, Okazaki, Aichi 4448585, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2004年 / 400卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2004.10.152
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We investigate the interaction between evanescent wave and a single gold nanoparticle in near-field by utilizing an aperture-probe scanning near-field optical microscope. A characteristic spectral feature, consisting of transmission enhancement and absorptive parts, is found. Observed spectra are successfully simulated both by a model calculation based on extended Mie scattering theory of the near- and far-field scatterings as well as by a Green's dyadic method. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：500 / 505
页数：6
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