Experimental data vs. 3-D model calculations of HFCVD processes: correlations and discrepanciesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:An existing 3-D model [Mankelevich et al. Diamond Relat. Mater. 7 (1998) 1133] has been used to explain experimentally measured spatially resolved CH; radical number densities in hot filament CVD reactors operating with both CH4/H-2 and C2H2/H-2 process gas mixtures and to examine in detail the process of Ct tt C, inter-conversion in the gas phase. It has been shown that cooler regions distant from the filament need to be modelled in order to obtain the significant C-2 --> C-1 conversion observed in HFCVD reactors with C2H2/H-2 process gas mixtures. The origin and effect of the non-equilibrated H, molecule vibrational state population distribution are studied for the first time in the context of HFCVD reactor models. (C) 2001 Elsevier Science B.V, All rights reserved.