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Formation of dust in low-pressure magnetized hydrocarbon plasmas
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2011 (English)In: New Journal of Physics, ISSN 1367-2630, E-ISSN 1367-2630, Vol. 13, 063006- p.Article in journal (Refereed) Published
Abstract [en]

The rapid formation of large molecules and the subsequent production of solid-state dust particles in a low-pressure discharge is unlikely, because of the low rates of the polymerization reactions and short lifetimes of the species. Here, we suggest that C dust particles can form in atypically low (10(-3) mbar)-pressure hydrocarbon plasmas if the dust charging time is much shorter than the gas residence time in the device; we present supporting experimental evidence for this. Such a condition can be obtained by the production of high-density plasmas. The results show that dust formation from the gaseous phase can occur in a much wider parameter range than is commonly assumed.

Place, publisher, year, edition, pages
2011. Vol. 13, 063006- p.
Keyword [en]
PARTICLE FORMATION, CHEMICAL-KINETICS, MICROWAVE PLASMA, METHANE, DISCHARGE, GROWTH, POLYMERIZATION, DEPOSITION, CONVERSION, PRECURSORS
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-36226DOI: 10.1088/1367-2630/13/6/063006ISI: 000292137700001Scopus ID: 2-s2.0-79959643956OAI: oai:DiVA.org:kth-36226DiVA: diva2:430690
Note
QC 20110711Available from: 2011-07-12 Created: 2011-07-11 Last updated: 2017-12-11Bibliographically approved

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Ratynskaia, Svetlana

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