Abstract

Abstract In situ optical measurements have been performed during synthesis of diamond thin films by hot filament assisted chemical vapour deposition on molybdenum substrates. Monochromatic measurements of reflectivity and elastic scattered light intensity have enabled us to follow in real time the evolution of the diamond particle size. Hence, growth kinetic domains have been inferred. Spectroscopic measurements of differential reflectivity have evidenced diamond absorption processes during the diamond crystal growth.

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