About: UV-laser treatment of nanodiamond seeds-a valuable tool for modification of nanocrystalline diamond films properties

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work aimed to study the UV-laser treatment of precursor (nanodiamond seeds on silicon substrates) and its influence on the properties of grown nanocrystalline diamond (NCD) films. Pulsed Nd:YAG laser operating at the 4th harmonic frequency (laser fluence EL = 250 mJ cm-2 , pulse duration 5 ns) was used as a source, equipped with an optical system for focusing laser beam onto the sample, allowing exposure of a local spot and horizontal patterning. The variable parameters were: number of pulses (from 5 to 400) and the working atmosphere (He, Ar and O2). Ablation and/or graphitization of seeded nanodiamond particles were observed. Further the microwave plasma-enhanced CVD was employed to grow NCD films on exposed and non-exposed areas of silicon substrates. The size, shape and density distribution of laser-treated nanodiamond seeds were observed by atomic force microscopy (AFM) and their chemical composition by x-ray photoelectron spectroscopy (XPS) analysis. This work aimed to study the UV-laser treatment of precursor (nanodiamond seeds on silicon substrates) and its influence on the properties of grown nanocrystalline diamond (NCD) films. Pulsed Nd:YAG laser operating at the 4th harmonic frequency (laser fluence EL = 250 mJ cm-2 , pulse duration 5 ns) was used as a source, equipped with an optical system for focusing laser beam onto the sample, allowing exposure of a local spot and horizontal patterning. The variable parameters were: number of pulses (from 5 to 400) and the working atmosphere (He, Ar and O2). Ablation and/or graphitization of seeded nanodiamond particles were observed. Further the microwave plasma-enhanced CVD was employed to grow NCD films on exposed and non-exposed areas of silicon substrates. The size, shape and density distribution of laser-treated nanodiamond seeds were observed by atomic force microscopy (AFM) and their chemical composition by x-ray photoelectron spectroscopy (XPS) analysis. (en)
Title	UV-laser treatment of nanodiamond seeds-a valuable tool for modification of nanocrystalline diamond films properties UV-laser treatment of nanodiamond seeds-a valuable tool for modification of nanocrystalline diamond films properties (en)
skos:prefLabel	UV-laser treatment of nanodiamond seeds-a valuable tool for modification of nanocrystalline diamond films properties UV-laser treatment of nanodiamond seeds-a valuable tool for modification of nanocrystalline diamond films properties (en)
skos:notation	RIV/68378271:_____/13:00394528!RIV14-MSM-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/1298), P(KAN200100801), P(LD11076), S
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Fekete, Ladislav Fendrych, František Taylor, Andrew
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	113356
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00394528
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Raman-spectroscopy; ablation; carbon (en)
http://linked.open.../riv/klicoveSlovo	Raman-spectroscopy ablation carbon
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1696426F5F02]
http://linked.open...i/riv/nazevZdroje	Journal of Physics D-Applied Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Growth and optimisation of nanodiamond thin films for applications to biology, medicine and smart bioelectronics Bioactive Biocompatible Surfaces and Novel Nanostructured Composites for Applications to Medicine and Drug Delivery Detection layers based on composites of organocomplexes and nanoparticles for chemical sensors
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Fekete, Ladislav Vlček, J. Fendrych, František Taylor, Andrew Fitl, P. Vrňata, M.
http://linked.open...ain/vavai/riv/wos	000313590600017
issn	0022-3727
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0022-3727/46/3/035307

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