About: Enhanced spontaneous nucleation of diamond nuclei in hot and cold microwave plasma systems

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work, the diamond nucleation is studied using two different deposition systems: (i) focused microwave plasma (labeled as “hot plasma) and (ii) pulsed-linear antenna microwave plasma (“cold plasma). For the hot plasma, the inﬂuence of CH4 concentration in the hydrogen rich gas mixture on the self nucleation is investigated. It is found that higher CH4 concentration leads to increased diamond nucle- ation density, but also the amount of sp2 carbon bonds increases within the deposits. In the cold plasma, we investigate the inﬂuence of CO2 addition into CH4/H2 and total process pressure. The nucleation density (Nd) typical for non-treated substrates is improved by four orders in cold plasma thanks to increased CH4 and CO2 concentrations. The highest nucleation density in the hot plasma system is still one order lower Moreover, in cold plasma a bimodal distribution function of diamond clusters is observed for low ratios of CO2/H2. In this work, the diamond nucleation is studied using two different deposition systems: (i) focused microwave plasma (labeled as “hot plasma) and (ii) pulsed-linear antenna microwave plasma (“cold plasma). For the hot plasma, the inﬂuence of CH4 concentration in the hydrogen rich gas mixture on the self nucleation is investigated. It is found that higher CH4 concentration leads to increased diamond nucle- ation density, but also the amount of sp2 carbon bonds increases within the deposits. In the cold plasma, we investigate the inﬂuence of CO2 addition into CH4/H2 and total process pressure. The nucleation density (Nd) typical for non-treated substrates is improved by four orders in cold plasma thanks to increased CH4 and CO2 concentrations. The highest nucleation density in the hot plasma system is still one order lower Moreover, in cold plasma a bimodal distribution function of diamond clusters is observed for low ratios of CO2/H2. (en)
Title	Enhanced spontaneous nucleation of diamond nuclei in hot and cold microwave plasma systems Enhanced spontaneous nucleation of diamond nuclei in hot and cold microwave plasma systems (en)
skos:prefLabel	Enhanced spontaneous nucleation of diamond nuclei in hot and cold microwave plasma systems Enhanced spontaneous nucleation of diamond nuclei in hot and cold microwave plasma systems (en)
skos:notation	RIV/68378271:_____/13:00421423!RIV14-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/0891), P(GBP108/12/G108)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Demo, Pavel Sveshnikov, Alexey Kromka, Alexander Ižák, Tibor
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	72934
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00421423
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bimodal distribution function; focused microwave CVD; linear antenna microwave CVD; polycrystalline diamond; films; self-nucleation (en)
http://linked.open.../riv/klicoveSlovo	bimodal distribution function focused microwave CVD self-nucleation films polycrystalline diamond linear antenna microwave CVD
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[6F02EDC55282]
http://linked.open...i/riv/nazevZdroje	Physica Status Solidi B-Basic Solid State Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Preparation, modification and characterization of materials by radiation Nucleation of diamond on strongly curved surfaces of PLGA-based nanofibers
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	250
http://linked.open...iv/tvurceVysledku	Demo, Pavel Kromka, Alexander Sveshnikov, Alexey Ižák, Tibor
http://linked.open...ain/vavai/riv/wos	000328325900048
issn	0370-1972
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/pssb.201300117

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