Particle plasmons of metal nanospheres: Application of multiple scattering approach

被引:64
作者
Chern, Ruey-Lin [1 ]
Liu, Xing-Xiang
Chang, Chien-Cheng
机构
[1] Natl Taiwan Univ, Inst Appl Mech, Taipei 106, Taiwan
[2] Acad Sinica, Res Ctr Appl Sci, Div Mech, Taipei 115, Taiwan
来源
PHYSICAL REVIEW E | 2007年 / 76卷 / 01期
关键词
ENHANCED RAMAN-SCATTERING; OPTICAL-PROPERTIES; NANOPARTICLE CHAINS; FAST-ELECTRON; RESONANCES; TRANSPORT; LITHOGRAPHY; TRANSITIONS; SPECTRA; SPHERES;
D O I
10.1103/PhysRevE.76.016609
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
In this paper, we study particle plasmons associated with a chain of metal nanospheres by the method of multiple scattering. The extinction efficiency is used to identify the resonant modes in nanoparticle chains. Special emphasis is placed upon the multipolar nature of particle plasmons at two major resonant modes by studying the associated field patterns, surface charges, and distributions of the field enhancement. Effects of the number of particles, interparticle spacing, and particle alignment are investigated by examining the frequency shift, bandwidth, and the number of resonant modes.
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页数:9
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