About: Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Gold nanoparticles (NPs) are directly deposited on a Si(111) substrate by Ar sputtering to provide a semiconductor-based plasmonic platform. The Au NPs are characterized by interband transitions at energies above 2.5 eV, whose tails extend into the surface-plasmon resonance (SPR) region, hence affecting the SPR energy, amplitude, and broadening. Herein, we report the experimental evidence of the size dependence of the interband transitions for Au NPs supported on silicon and sapphire substrates by exploiting plasmonic ellipsometry. Providing the size dependence of the dielectric function of Au NPs in the extended spectral range of 190-1700 nm, and discussing the interconnection between the SPR and the interband transitions, this study as a whole represents a step ahead in the perspective of a better understanding of nanosize effect on optical properties and standardization of nanoparticles dielectric functions to rely on more accurate modeling of NPs behavior. Gold nanoparticles (NPs) are directly deposited on a Si(111) substrate by Ar sputtering to provide a semiconductor-based plasmonic platform. The Au NPs are characterized by interband transitions at energies above 2.5 eV, whose tails extend into the surface-plasmon resonance (SPR) region, hence affecting the SPR energy, amplitude, and broadening. Herein, we report the experimental evidence of the size dependence of the interband transitions for Au NPs supported on silicon and sapphire substrates by exploiting plasmonic ellipsometry. Providing the size dependence of the dielectric function of Au NPs in the extended spectral range of 190-1700 nm, and discussing the interconnection between the SPR and the interband transitions, this study as a whole represents a step ahead in the perspective of a better understanding of nanosize effect on optical properties and standardization of nanoparticles dielectric functions to rely on more accurate modeling of NPs behavior. (en)
Title	Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles (en)
skos:prefLabel	Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles (en)
skos:notation	RIV/00216224:14310/10:00046212!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita	R Z
http://linked.open...avai/riv/aktivity	R, Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Humlíček, Josef
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	287628
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/10:00046212
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SMALL ISLAND PARTICLES; OPTICAL-PROPERTIES; METAL NANOPARTICLES; SILVER FILMS; RELAXATION DYNAMICS; ABSORPTION; RESONANCE; TRANSITIONS; TEMPERATURE; INTERFACE (en)
http://linked.open.../riv/klicoveSlovo	TEMPERATURE INTERFACE ABSORPTION OPTICAL-PROPERTIES RESONANCE METAL NANOPARTICLES RELAXATION DYNAMICS SILVER FILMS SMALL ISLAND PARTICLES TRANSITIONS
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5A293E8A36E4]
http://linked.open...i/riv/nazevZdroje	Physical Review B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	82
http://linked.open...iv/tvurceVysledku	Humlíček, Josef Bruno, Giovanni Losurdo, Maria Bianco, Giuseppe V Capezzuto, Pio Giangregorio, Maria M Kong, C. Rubanov, S. Suvorova, Alexandra A
http://linked.open...ain/vavai/riv/wos	000283575600004
http://linked.open...n/vavai/riv/zamer	Physical and chemical properties of advanced materials and structures
issn	1098-0121
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles Size dependence of the dielectric function of silicon-supported plasmonic gold nanoparticles

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