Hao, Feng and Nehl, Colleen L. and Hafner, Jason H. and Nordlander, Peter (2007) Plasmon resonances of a gold nanostar. NANO LETTERS, 7 (3). pp. 729-732.
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Official URL: http://dx.doi.org/10.1021/nl062969c
Abstract
Using the finite-difference time-domain method, we show that the plasmons of a nanostar result from hybridization of plasmons of the core and tips of the nanoparticle. The nanostar core serves as a nanoscale antenna, dramatically increasing the excitation cross section and the electromagnetic field enhancements of the tip plasmons. Our analysis demonstrates that the plasmon hybridization picture can be combined with numerical approaches to interpret the physical origin of the plasmons of highly complex nanostructures.
| Item Type: | Article |
|---|---|
| Subjects: | Physical Science > Nanophysics Physical Science > Nano objects |
| ID Code: | 2212 |
| Deposited By: | Anuj Seth |
| Deposited On: | 06 Jan 2009 17:01 |
| Last Modified: | 26 Mar 2009 17:37 |
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