Metal nanoparticle plasmonics inside reflecting metal films

Earp, AA; Smith, GB

Metal nanoparticle plasmonics inside reflecting metal films

Earp, AA Smith, GB

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Publication Type:: Journal Article
Citation:: Applied Physics Letters, 2010, 96 (24)
Issue Date:: 2010-06-14

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Field	Value	Language
dc.contributor.author	Earp, AA	en_US
dc.contributor.author	Smith, GB https://orcid.org/0000-0002-6985-2880	en_US
dc.date.issued	2010-06-14	en_US
dc.identifier.citation	Applied Physics Letters, 2010, 96 (24)	en_US
dc.identifier.issn	0003-6951	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13029
dc.description.abstract	Oxide coated metal nanoparticles buried within a thin metal layer support a surface plasmon resonance. A local dip occurs in spectral reflectance along with a switching off of the film's plasmonic response. Models are introduced in which these resonances are tunable by altering the ratio of oxide thickness to core particle radius. The optical response of two experimental examples is presented and modeled using effective medium theory. Beyond the resonance zone the doped layer switches back to the plasmonic response of a nanoporous version of the host metal whose effective plasma frequency arises only from the percolating component. © 2010 American Institute of Physics.	en_US
dc.relation.ispartof	Applied Physics Letters	en_US
dc.relation.isbasedon	10.1063/1.3455331	en_US
dc.subject.classification	Applied Physics	en_US
dc.title	Metal nanoparticle plasmonics inside reflecting metal films	en_US
dc.type	Journal Article
utslib.citation.volume	24	en_US
utslib.citation.volume	96	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	09 Engineering	en_US
utslib.for	10 Technology	en_US
dc.location.activity	ISI:000278911500052	en_US
dc.location.activity	Sydney, Australia
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	24	en_US
pubs.publication-status	Published	en_US
pubs.volume	96	en_US

Abstract:

Oxide coated metal nanoparticles buried within a thin metal layer support a surface plasmon resonance. A local dip occurs in spectral reflectance along with a switching off of the film's plasmonic response. Models are introduced in which these resonances are tunable by altering the ratio of oxide thickness to core particle radius. The optical response of two experimental examples is presented and modeled using effective medium theory. Beyond the resonance zone the doped layer switches back to the plasmonic response of a nanoporous version of the host metal whose effective plasma frequency arises only from the percolating component. © 2010 American Institute of Physics.

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http://hdl.handle.net/10453/13029