Metal-in-metal localized surface plasmon resonance

Smith, GB; Earp, AA

Metal-in-metal localized surface plasmon resonance

Smith, GB

Earp, AA

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Publication Type:: Journal Article
Citation:: Nanotechnology, 2010, 21 (1)
Issue Date:: 2010-01-01

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Field	Value	Language
dc.contributor.author	Smith, GB https://orcid.org/0000-0002-6985-2880	en_US
dc.contributor.author	Earp, AA	en_US
dc.date.issued	2010-01-01	en_US
dc.identifier.citation	Nanotechnology, 2010, 21 (1)	en_US
dc.identifier.issn	0957-4484	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13063
dc.description.abstract	Anomalous strong resonances in silver and gold nanoporous thin films which conduct are found to arise from isolated metal nano-islands separated from the surrounding percolating metal network by a thin loop of insulator. This observed resonant optical response is modelled. The observed peak position is in agreement with the observed average dimensions of the silver core and insulator shell. As the insulating ring thickness shrinks, the resonance moves to longer wavelengths and strengthens. This structure is the Babinet's principle counterpart of dielectric core-metal shell nanoparticles embedded in dielectric. Like for the latter, tuning of resonant absorption is possible, but here the matrix reflects rather than transmits, and tuning to longer wavelengths is more practical. A new class of metal mirror occurring as a single thin layer is identified using the same resonances in dense metal mirrors. Narrow band deep localized dips in reflectance result. © 2010 IOP Publishing Ltd.	en_US
dc.relation.ispartof	Nanotechnology	en_US
dc.relation.isbasedon	10.1088/0957-4484/21/1/015203	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Metal-in-metal localized surface plasmon resonance	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	21	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0204 Condensed Matter Physics	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	21	en_US

Abstract:

Anomalous strong resonances in silver and gold nanoporous thin films which conduct are found to arise from isolated metal nano-islands separated from the surrounding percolating metal network by a thin loop of insulator. This observed resonant optical response is modelled. The observed peak position is in agreement with the observed average dimensions of the silver core and insulator shell. As the insulating ring thickness shrinks, the resonance moves to longer wavelengths and strengthens. This structure is the Babinet's principle counterpart of dielectric core-metal shell nanoparticles embedded in dielectric. Like for the latter, tuning of resonant absorption is possible, but here the matrix reflects rather than transmits, and tuning to longer wavelengths is more practical. A new class of metal mirror occurring as a single thin layer is identified using the same resonances in dense metal mirrors. Narrow band deep localized dips in reflectance result. © 2010 IOP Publishing Ltd.

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http://hdl.handle.net/10453/13063