A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances |
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Authors: | Yuan-Fong Chau Han-Hsuan Yeh |
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Institution: | (1) Department of Electronic Engineering, Ching Yun University, Jung-Li, Taiwan 320, ROC |
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Abstract: | We investigated numerically the scattering cross sections and near-field intensities of solid-silver and silver-shell (shell
thickness d = 10 nm) nanodimers that interact with incident plane wave by the use of finite-element method with three-dimensional models.
Results show that the silver-shell cases exhibit tunable surface plasmon resonances and its rotational effects can induce
more surface plasmons in a wider range of wavelength that are not observed for the solid-silver cases with the same volume
(1,046,666 nm3). |
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