Damping of plasmons of closely coupled sphere chains due to disordered gaps

Scheurer, MS; Arnold, MD; Setiadi, J; Ford, MJ

Damping of plasmons of closely coupled sphere chains due to disordered gaps

Scheurer, MS Arnold, MD

Setiadi, J

Ford, MJ

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Publication Type:: Journal Article
Citation:: Journal of Physical Chemistry C, 2012, 116 (1), pp. 1335 - 1343
Issue Date:: 2012-01-12

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Field	Value	Language
dc.contributor.author	Scheurer, MS	en_US
dc.contributor.author	Arnold, MD https://orcid.org/0000-0003-4164-0242	en_US
dc.contributor.author	Setiadi, J https://orcid.org/0000-0002-5976-2224	en_US
dc.contributor.author	Ford, MJ https://orcid.org/0000-0002-8595-5900	en_US
dc.date.issued	2012-01-12	en_US
dc.identifier.citation	Journal of Physical Chemistry C, 2012, 116 (1), pp. 1335 - 1343	en_US
dc.identifier.issn	1932-7447	en_US
dc.identifier.uri	http://hdl.handle.net/10453/18431
dc.description.abstract	The damping of plasmons due to structural disorder may have important practical consequences. Here, we use spherical harmonic expansions to quantify the damping of plasmons of ensembles of closely coupled sphere chains with moderately disordered gaps. We show that the quadratic shift of average resonance position due to disorder is maintained in the transition from weak to close coupling, but the sensitivity to disorder increases. Further, we find that although the main peak is most often damped and broadened by disorder, it is possible for the optical extinction of disordered gold chains to increase slightly due to red-skew into a region with more favorable metal properties. © 2011 American Chemical Society.	en_US
dc.relation.ispartof	Journal of Physical Chemistry C	en_US
dc.relation.isbasedon	10.1021/jp2099834	en_US
dc.subject.classification	Physical Chemistry	en_US
dc.title	Damping of plasmons of closely coupled sphere chains due to disordered gaps	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	116	en_US
utslib.for	0204 Condensed Matter Physics	en_US
utslib.for	03 Chemical Sciences	en_US
utslib.for	09 Engineering	en_US
utslib.for	10 Technology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/DVC (Research)
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	116	en_US

Abstract:

The damping of plasmons due to structural disorder may have important practical consequences. Here, we use spherical harmonic expansions to quantify the damping of plasmons of ensembles of closely coupled sphere chains with moderately disordered gaps. We show that the quadratic shift of average resonance position due to disorder is maintained in the transition from weak to close coupling, but the sensitivity to disorder increases. Further, we find that although the main peak is most often damped and broadened by disorder, it is possible for the optical extinction of disordered gold chains to increase slightly due to red-skew into a region with more favorable metal properties. © 2011 American Chemical Society.

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