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Applied Physics Letters / Volume 92 / Issue 10 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 92, 103103 (2008); http://dx.doi.org/10.1063/1.2892446 (3 pages)

Remarkable influence of the number of nanowires on plasmonic behaviors of the coupled metallic nanowire chain

H. S. Chu, W. B. Ewe, W. S. Koh, and E. P. Li

Advanced Electronics and Electromagnetics Division, A*STAR Institute of High Performance Computing, Singapore 117528, Singapore

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(Received 4 December 2007; accepted 14 February 2008; published online 10 March 2008)

We investigate the plasmonic properties in terms of plasmonic resonances, near field intensity, and charge distribution of interacting nanowires chain which consists of small and large numbers of coupled silver nanowires. We show that the dominant resonance wavelength increases monotonically as the number of nanowires increases. On the other hand, the near field intensity is not only dependent on the chain length but also on the plasmonic resonances in the same chain length. The charge distribution is also demonstrated to fully understand the dependence of plasmonic properties on the chain length.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

nanowires, plasmonics, silver, surface plasmon resonance

PACS

  • 73.22.Lp

    Collective excitations

  • 78.67.-n

    Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures

  • 61.46.Km

    Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires)

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2892446

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

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