Journal
SOLID STATE COMMUNICATIONS
Volume 151, Issue 10, Pages 759-762Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2011.03.012
Keywords
Coaxial gold nanotubes; Transmission spectrum; Electric field distribution
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Funding
- Research Fund for the Doctoral Program of Higher Education of China [20100162110068]
- excellent doctorate dissertation foundation of Central South University [2008yb039]
- Postgraduate Innovative Project of Hunan Province [CX2009B029]
- Hunan Provincial Education Department [10B022]
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We propose the coaxial gold nanotubes for their transmission and plasmon resonances theoretically. We find that the transmission spectra are highly adjustable by tuning the thickness of the nanotubes, the separation and the dielectric constant between the inner and outer nanotubes. The resonance peaks close to the left forbidden band gap edge are strongly correlated with the dielectric constant, the inner and outer tube thickness, and the separation between the two tubes. Based on the localized nature of the electric field distributions, we show that local plasmon resonance modes result from hybridized resonances of multifold multipolar plasmon polaritons in the cross section of the coaxial nanotubes. (C) 2011 Elsevier Ltd. All rights reserved.
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