Abstract
A set of hydrogenated nanostructured silicon films consisting of Si nanoparticles with adense phase embedded in an amorphous matrix are analysed by means of severalspectroscopic tools. Medium and short range order are determined by Raman spectroscopyand the average coordination versus the hydrogen content is measured from x-rayabsorption spectroscopy. The improvement of transport properties such as the normalizedphotoconductivity with respect to that of hydrogenated amorphous silicon is explained byan inhomogeneous distribution of constraints in the samples. Our results on the order atdifferent scales agree well with the paracrystalline model and suggest a well relaxed hostmatrix.
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