Mapping surface plasmons at the nanometre scale with an electron beam

Bosman, M; Keast, VJ; Watanabe, M; Maaroof, AI; Cortie, MB

Mapping surface plasmons at the nanometre scale with an electron beam

Bosman, M Keast, VJ Watanabe, M Maaroof, AI Cortie, MB

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Publication Type:: Journal Article
Citation:: Nanotechnology, 2007, 18 (16)
Issue Date:: 2007-04-25

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Field	Value	Language
dc.contributor.author	Bosman, M	en_US
dc.contributor.author	Keast, VJ	en_US
dc.contributor.author	Watanabe, M	en_US
dc.contributor.author	Maaroof, AI	en_US
dc.contributor.author	Cortie, MB https://orcid.org/0000-0003-3202-6398	en_US
dc.date.issued	2007-04-25	en_US
dc.identifier.citation	Nanotechnology, 2007, 18 (16)	en_US
dc.identifier.issn	0957-4484	en_US
dc.identifier.uri	http://hdl.handle.net/10453/4374
dc.description.abstract	The optical response from metal nanoparticles and nanostructures is dominated by surface plasmon generation and is critically dependent on the local structure and geometry. Electron energy-loss spectroscopy (EELS), combined with recent developments in spectrum imaging and data processing, has been used to observe the energy and distribution of surface plasmons excited by fast electrons. The energy of the plasmon responses is consistent with the optical response and with calculations. For gold and silver rods and ellipsoids, longitudinal, transverse and distinct cluster modes were readily identified and mapped. The spatial resolution of the presented maps is one order of magnitude better than that achievable with scanning near-field optical microscopy (SNOM)-based techniques. © IOP Publishing Ltd.	en_US
dc.relation.ispartof	Nanotechnology	en_US
dc.relation.isbasedon	10.1088/0957-4484/18/16/165505	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Mapping surface plasmons at the nanometre scale with an electron beam	en_US
dc.type	Journal Article
utslib.citation.volume	16	en_US
utslib.citation.volume	18	en_US
utslib.for	0904 Chemical Engineering	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	closed_access
pubs.issue	16	en_US
pubs.publication-status	Published	en_US
pubs.volume	18	en_US

Abstract:

The optical response from metal nanoparticles and nanostructures is dominated by surface plasmon generation and is critically dependent on the local structure and geometry. Electron energy-loss spectroscopy (EELS), combined with recent developments in spectrum imaging and data processing, has been used to observe the energy and distribution of surface plasmons excited by fast electrons. The energy of the plasmon responses is consistent with the optical response and with calculations. For gold and silver rods and ellipsoids, longitudinal, transverse and distinct cluster modes were readily identified and mapped. The spatial resolution of the presented maps is one order of magnitude better than that achievable with scanning near-field optical microscopy (SNOM)-based techniques. © IOP Publishing Ltd.

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http://hdl.handle.net/10453/4374