Formation of nanostructured carbon films in gas-discharge plasmasстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Deposition of carbon materials from methane-hydrogen gas mixtures in a DC gas discharge is investigated. Parameters ensuring stable discharge conditions and synthesis of diamond and graphite-like films are determined. Optical emission spectroscopy is used to analyze the composition of the activated gas phase in the course of carbon film deposition. Synthesis of graphite-like carbon nanotubes and nanocrystallites is shown to correlate with the presence of C-2 dimers in the plasma. A noncatalytic mechanism of synthesis of nanostructured graphite in a carbon-containing gas phase is proposed. (C) 2003 MAIK "Nauka/Interperiodica".