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Localized surface plasmon resonance: nano-sinusoid arrays

journal contribution
posted on 2013-01-01, 00:00 authored by Daryoush Mortazavi, Abbas KouzaniAbbas Kouzani, L Matekovits, Wei DuanWei Duan
A new nano-sinusoid shape has recently been proposed, which offers the advantage of more resonance wavelength tunability than that offered by other sharp-tip nano-particles. In this paper, a one-dimensional (1D) chain of the nano-sinusoids is modelled, and results are compared with those describing chains of nano-triangles and nano-diamonds. It is demonstrated that the chain of nano-sinusoids provides more enhancement at hot spots than other examined nano-particle shapes. This enhancement is analytically quantified using the coupling constant values used in the electrostatic eigenmode method for analytically solving Maxwell's equations for the nano-plasmonic devices. In addition, investigating LSPR spectrum of two-dimensional (2D) arrays of NPs demonstrates existence of enhanced surface electric fields on hot spots of the outer rows of the array.

History

Journal

Journal of electromagnetic waves and applications

Volume

27

Issue

5

Pagination

638 - 648

Publisher

Taylor & Francis

Location

London, Eng.

ISSN

0920-5071

eISSN

1569-3937

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2013, Taylor & Francis

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