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Networked rectangular MgO nanostructures have been prepared through direct reaction of Mg with flowing oxygen. The nanostructures consist of the branches that have square cross sections and grow in a right-angled zigzag manner to elongate in three dimensions, which form the networked rectangular nanostructures. The edge dimension of their cross-sections is in the range of 50-150 nm. A growth mechanism...
Large-scale hexagonal GaN nanobelts and nanowires were synthesized by direct reaction of milled Ga 2 O 3 powders with flowing ammonia at 1000 o C. X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy dispersive X-ray were used to characterize the structures, morphologies and compositions of the samples. The results show that those GaN...
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