Plasmon resonances and electron phase shifts near Au nanospheres

Petersen, TC; Bosman, M; Keast, VJ; Anstis, G

Plasmon resonances and electron phase shifts near Au nanospheres

Petersen, TC Bosman, M Keast, VJ Anstis, G

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Publisher:: https://dx.doi.org/10.1088/0022-3727/44/5/055301
Publication Type:: Journal Article
Citation:: Applied Physics Letters, 2008, 93 (10), pp. 1 - 3
Issue Date:: 2008-01

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Field	Value	Language
dc.contributor.author	Petersen, TC	en_US
dc.contributor.author	Bosman, M	en_US
dc.contributor.author	Keast, VJ	en_US
dc.contributor.author	Anstis, G	en_US
dc.date.issued	2008-01	en_US
dc.identifier.citation	Applied Physics Letters, 2008, 93 (10), pp. 1 - 3	en_US
dc.identifier.issn	0003-6951	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8372
dc.description.abstract	Quantitative phase maps from Au and polystyrene nanospheres were obtained using the transport of intensity equation approach for phase retrieval in the electron microscope. These were compared to surface plasmon maps, as generated by electron energy loss spectroscopy. Large phase excursions were observed in the vacuum regions surrounding the Au nanospheres, yet not near adjacent polystyrene nanospheres. It is proposed that these phase excursions are associated with surface plasmon excitation. These results suggest that phase retrieval offers an alternative means for sensing and interpreting the optical response of nanostructured metals. © 2008 American Institute of Physics.	en_US
dc.publisher	https://dx.doi.org/10.1088/0022-3727/44/5/055301	en_US
dc.relation.ispartof	Applied Physics Letters	en_US
dc.relation.isbasedon	10.1088/0022-3727/44/5/055301	en_US
dc.subject.classification	Applied Physics	en_US
dc.title	Plasmon resonances and electron phase shifts near Au nanospheres	en_US
dc.type	Journal Article
utslib.citation.volume	10	en_US
utslib.citation.volume	93	en_US
utslib.location.activity	ISI:000259797000029	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:000259797000029	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.consider-herdc	true	en_US
pubs.issue	10	en_US
pubs.volume	93	en_US

Abstract:

Quantitative phase maps from Au and polystyrene nanospheres were obtained using the transport of intensity equation approach for phase retrieval in the electron microscope. These were compared to surface plasmon maps, as generated by electron energy loss spectroscopy. Large phase excursions were observed in the vacuum regions surrounding the Au nanospheres, yet not near adjacent polystyrene nanospheres. It is proposed that these phase excursions are associated with surface plasmon excitation. These results suggest that phase retrieval offers an alternative means for sensing and interpreting the optical response of nanostructured metals. © 2008 American Institute of Physics.

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