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A series of single and mixed oxide nanocatalysts of mesoporous CuO-Fe2O3 with different CuO contents (1–50wt.%) were prepared by a co-precipitation method and further promoted by trace amounts of CeO2, ZrO2 and Ag2O (0.1–0.5wt.%) dopants. The original and calcined catalysts were characterized by TG, DTA, XRD, TEM, VSM, N2 sorption analysis, surface chemisorbed oxygen and DC electrical conductivity...
SiC thin films were grown on Si (100) substrates by excimer laser ablation of a SiC target in vacuum. The effect of deposition temperature (up to 950°C), post-deposition annealing and laser energy on the nanostructure, bonding and crystalline properties of the films was studied, in order to elucidate their transition from an amorphous to a crystalline phase. Infra-red spectroscopy shows that growth...
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