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Nanocrystalline TiN, VN and CrN have been synthesized by a thermal nitridation reaction between the corresponding metal powder and NH 4 Cl at 600 o C in an autoclave. X-ray powders diffraction (XRD) indicated that these nanocystallites had a NaCl-type structure with lattice parameters: a=4.236A for TiN, 4.133A for VN, 4.145A for CrN. Transmission electron microscopy (TEM) showed these...
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