The fractal dimension of boron-doped diamond films

Boron-doped diamond films were grown by hot-filament-assisted chemical vapo r deposition (CVD). The fractal dimension (FD) of these films was investiga ted by atomic force microscope and cyclic voltammetry. The scaling behavior is measured for peak current in cyclic voltammetry, height-height correlat ions and island size distribution in AFM images. Cyclic voltammetry experim ents and the mass-radius (or island distribution) analysis have evidenced F D values lower than two suggesting non-contiguous chemically active sites. (C) 2001 Elsevier Science B.V. All rights reserved.