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Dramatic localized electromagnetic enhancement in plasmon resonant nanowires

被引：198
作者：
Kottmann, JP
Martin, OJF [1 ]
Smith, DR
Schultz, S
机构：
[1] Swiss Fed Inst Technol, Electromagnet Fields & Micorwave Elect Lab, ETH Zentrum, CH-8092 Zurich, Switzerland
[2] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
来源：
CHEMICAL PHYSICS LETTERS | 2001年 / 341卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0009-2614(01)00171-3
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 numerically the plasmon resonances of 10-50 nm nanowires with a non-elliptical section. Such wires have a much more complex behavior than elliptical wires and their resonances span a larger frequency range. The field distribution at the surface of these wires exhibits a dramatic enhancement, up to several hundred times the incident field amplitude. These strongly localized fields can provide an important mechanism for surface enhanced Raman scattering (SERS). (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：1 / 6
页数：6
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