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Title: Tuning plasmonic interaction between gold nanorings and a gold film for surface enhanced Raman scattering
Authors: Ye, Jian
Shioi, Masahiko
Lodewijks, Kristof
Lagae, Liesbet
Kawamura, Tatsuro
Van Dorpe, Pol #
Issue Date: Oct-2010
Publisher: American Institute of Physics
Series Title: Applied physics letters vol:97 issue:16 pages:1-3
Article number: 163106
Abstract: We investigate the plasmonic properties of gold nanorings in close proximity to a gold film. The rings have been fabricated using nanosphere lithography and are optimized to boost their near-infrared surface enhanced Raman scattering (SERS) effects. A SERS enhancement factor as large as 1.4 x 10(7) has been achieved by tuning the separation between the gold nanorings and the gold film. In addition, we have numerically and experimentally demonstrated an enhanced tunability of the plasmon resonance wavelength and a narrowing of the plasmon linewidth for increasing ring-film interaction. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3504187]
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Associated Section of ESAT - INSYS, Integrated Systems
Solid State Physics and Magnetism Section
# (joint) last author

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