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Tungsten (α-W and β-W modifications) and various tungsten carbides (W2C, WC1−x, WC) coatings were formed by chemical vapor deposition (CVD) in WF6, C3H8, H2 gas reactions. The structure of reaction products was studied by transmission electron microscopy and X-ray diffraction. The microhardness of coatings was determined by Vickers method. The mechanism of the CVD process is proposed to explain the...
We report that the Ni nanocrystals with rod-like and cubic shapes can be prepared in organic solution with the aid of tungsten hexacarbonyl at a relatively low reaction temperature of 150 °C. The prepared Ni nanorods have a fivefold twinned structure with an average diameter of about 11 nm and length varying from several tens of nanometers to 150 nm whereas the obtained Ni nanocubes have an average...
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