Abstract
Nucleation is a very important step in synthetic diamond thin film growth process and generally the incubation time for the stable diamond nuclei formation is very long. We can consider it to be a pre-treatment of the Si substrate surface before diamond film deposition.In this study we have investigated the synthetic diamond thin film nucleation mainly on Si substrates by the ultrasonication in different mixtures of isopropanol, deionized water, n-methylpyrrolidon (NMP) or sodiumdodecylsulphate (SDS) containing nanosized diamond powder (≤10 nm, Sigma–Aldrich) and micro-or nanosized metals (Nickel, Cobalt, Yttrium). Liquids NMP and SDS have a special property to separate nanoparticles.
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