About: Detachment Limited Kinetics of Gold Diffusion through Ultrathin Oxide Layers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Gold clusters and nanoparticles on ultrathin oxide layers are used as catalysts and represent essential parts of plasmonic and electronic devices. The stability of these nanostructures at surfaces against the diffusion of their constituents into the bulk is therefore of vital importance regarding their long-term applicability. Here, on the basis of in situ X-ray photoelectron spectroscopy measurements of gold diffusion through ultrathin oxide layers (SiO2 and Al2O3) to a Si substrate, we show that the diffusion from gold clusters/islands into the bulk is a detachment-limited process. Hence, the ultrathin oxide acts principally as a layer preventing a direct contact of metal atoms with the silicon substrate rather than a diffusion barrier. These findings contribute to a quantitative understanding of general design rules of metal/oxide structures. Gold clusters and nanoparticles on ultrathin oxide layers are used as catalysts and represent essential parts of plasmonic and electronic devices. The stability of these nanostructures at surfaces against the diffusion of their constituents into the bulk is therefore of vital importance regarding their long-term applicability. Here, on the basis of in situ X-ray photoelectron spectroscopy measurements of gold diffusion through ultrathin oxide layers (SiO2 and Al2O3) to a Si substrate, we show that the diffusion from gold clusters/islands into the bulk is a detachment-limited process. Hence, the ultrathin oxide acts principally as a layer preventing a direct contact of metal atoms with the silicon substrate rather than a diffusion barrier. These findings contribute to a quantitative understanding of general design rules of metal/oxide structures. (en)
Title	Detachment Limited Kinetics of Gold Diffusion through Ultrathin Oxide Layers Detachment Limited Kinetics of Gold Diffusion through Ultrathin Oxide Layers (en)
skos:prefLabel	Detachment Limited Kinetics of Gold Diffusion through Ultrathin Oxide Layers Detachment Limited Kinetics of Gold Diffusion through Ultrathin Oxide Layers (en)
skos:notation	RIV/00216305:26620/14:PU109928!RIV15-MSM-26620___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(GAP102/12/1881), P(TE01020233)
http://linked.open...iv/cisloPeriodika	31
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Polčák, Josef Šikola, Tomáš Čechal, Jan
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	10562
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/14:PU109928
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Oxide Layers, Diffusion, Gold Clusters, Nanoparticles, Atomic Layer Deposition, ALD, Surface Processes (en)
http://linked.open.../riv/klicoveSlovo	Nanoparticles Diffusion Oxide Layers ALD Atomic Layer Deposition Gold Clusters Surface Processes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3161C8E3C5C5]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry C (print)
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced Microscopy and Spectroscopy Platform for Research and Development in Nano and Microtechnologies - AMISPEC Central european institute of technology Mapping of Localized Plasmon Resonances at Nanoantennas
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	118
http://linked.open...iv/tvurceVysledku	Šikola, Tomáš Čechal, Jan Polčák, Josef
issn	1932-7447
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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