Single-mode tuning of the plasmon resonance in high-density pillar arrays

Arnold, MD

Single-mode tuning of the plasmon resonance in high-density pillar arrays

Arnold, MD

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Publication Type:: Journal Article
Citation:: Journal of Physics Condensed Matter, 2017, 29 (11)
Issue Date:: 2017-02-07

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Field	Value	Language
dc.contributor.author	Arnold, MD https://orcid.org/0000-0003-4164-0242	en_US
dc.date.issued	2017-02-07	en_US
dc.identifier.citation	Journal of Physics Condensed Matter, 2017, 29 (11)	en_US
dc.identifier.issn	0953-8984	en_US
dc.identifier.uri	http://hdl.handle.net/10453/125279
dc.description.abstract	© 2017 IOP Publishing Ltd. The Maxwell-Garnett (MG) effective medium model has a pure resonance controlled by volume fraction f, but is usually invalid at high density. I present special 2D structures that match quasistatic MG over the entire range 0 < f < 1, in several regular and semi-regular arrays, expanding the applicability of MG. Optimal contours depend on both lattice and fill-factor, transforming from circular at low f to nearly polygonal at high f. A key insight is the direct relationship between optimal surface polarization and surface position. Electrodynamic calculations underline the effect of constituent permittivity on spatial dispersion and required sizes for quasistatic response in various materials.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP140102003
dc.relation	http://purl.org/au-research/grants/arc/LE140100002
dc.relation.ispartof	Journal of Physics Condensed Matter	en_US
dc.relation.isbasedon	10.1088/1361-648X/aa57c8	en_US
dc.subject.classification	Fluids & Plasmas	en_US
dc.title	Single-mode tuning of the plasmon resonance in high-density pillar arrays	en_US
dc.type	Journal Article
utslib.citation.volume	11	en_US
utslib.citation.volume	29	en_US
utslib.for	0204 Condensed Matter Physics	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	1007 Nanotechnology	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	11	en_US
pubs.publication-status	Published	en_US
pubs.volume	29	en_US

Abstract:

© 2017 IOP Publishing Ltd. The Maxwell-Garnett (MG) effective medium model has a pure resonance controlled by volume fraction f, but is usually invalid at high density. I present special 2D structures that match quasistatic MG over the entire range 0 < f < 1, in several regular and semi-regular arrays, expanding the applicability of MG. Optimal contours depend on both lattice and fill-factor, transforming from circular at low f to nearly polygonal at high f. A key insight is the direct relationship between optimal surface polarization and surface position. Electrodynamic calculations underline the effect of constituent permittivity on spatial dispersion and required sizes for quasistatic response in various materials.

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http://hdl.handle.net/10453/125279