Abstract

The kinetics in thermal laser-assisted chemical vapour deposition (LCVD) of titanium carbide (TiC) films and the influence of growth conditions on the structure and morphology of the deposits have been investigated. TiC spots were deposited onto silica substrates using a CW TEM00 CO2 laser beam. The reaction gas mixture consisted of TiCl4, CH4 and H2 and the ratios of the partial pressures of the reactants were varied. The films were analysed by X-ray diffractometry (XRD), micro-Raman spectroscopy, scanning electron microscopy (SEM) and profilometry.

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