Abstract

The effect of different chemical mechanisms for adsorption, which depend on the incidence energy of disilane, on the film morphology is investigated by comparing deposition by high (∼2 eV) kinetic energy disilane jets, direct chemisorption; low (∼0.09 eV) kinetic energy disilane jets and ultra high vacuum chemical vapor deposition, trapping-mediated chemisorption. For substrate temperatures of 500–550 °C the mechanism for adsorption does not influence the film morphology as observed for films up to 3300 Å thick, which are comparable in smoothness to the starting substrate, as determined by atomic force microscopy.

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