Optical properties of metal nanoparticles as probed by photoemission electron microscopy

被引：30

作者：

Douillard, L. ^{[1
]}

Charra, F.

Fiorini, C.

Adam, P. M.

Bachelot, R.

Kostcheev, S.

Lerondel, G.

de la Chapelle, M. Lamy

Royer, P.

机构：

[1] CEA Saclay, Direct Sci Mat, Dept Rech Etat Condense Atomes & Mol, Serv Phys & Chim Surfaces & Interfaces, F-91191 Gif Sur Yvette, France

[2] Univ Technol Troyes, Lab Nanotechnol & Instrumentat Opt, ICD, CNRS,FRE 2848, F-10010 Troyes, France

来源：

JOURNAL OF APPLIED PHYSICS | 2007年 / 101卷 / 08期

关键词：

D O I：

10.1063/1.2719282

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Interaction of light with metallic nanostructures exhibit resonances specific to eigenmodes of collective electron motion known as plasmon modes. Both these resonances and effects of electromagnetic singularities lead to local field enhancement. Photoemission electron microscopy (PEEM) was recently used to image the electrons photoemitted from these local effects. Here we report on a full PEEM spectral study of localized surface plasmons excited on nanoparticles. In particular, we show strong spectral similarities between the PEEM signal and optical extinction as a function of the incident wavelength, establishing the photoemission microscopy as a valuable tool for investigating the optical properties of metal nanoparticles. (c) 2007 American Institute of Physics.

引用

页数：5

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