Chemical Composition of Boron Carbonitride Films Grown by Plasma-Enhanced Chemical Vapor Deposition from Trimethylamineborane

Author: Kosinova M.L.   Rumyantsev Y.M.   Golubenko A.N.   Fainer N.I.   Ayupov B.M.   Dolgovesova I.P.   Kolesov B.A.   Kaichev V.V.   Kuznetsov F.A.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 0020-1685

Source: Inorganic Materials, Vol.39, Iss.4, 2003-04, pp. : 366-373

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Abstract

Boron carbonitride and boron nitride films were grown by plasma-enhanced chemical vapor deposition using trimethylamineborane and its mixtures with ammonia, hydrogen, or helium. The effects of the starting-mixture composition and substrate temperature on the chemical composition of the deposits was studied by ellipsometry, scanning microscopy, IR spectroscopy, Raman scattering, and x-ray photoelectron spectroscopy. The results indicate that the initial composition of the gas mixture, the nature of the activation gas, and substrate temperature play a key role in determining the deposition kinetics and the physicochemical properties of the deposits. Depending on these process parameters, one can obtain h-BN, h-BN + B4C, or BCxNy films.

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