Abstract
Zinc oxide (ZnO) microrods were grown by the floating zone method, the as-grown ZnO microrods have uniform size. Scanning electron microscope image reveals that the ZnO microrods are grown with a hexagonal structure, well faceted ends and side surfaces. Most of ZnO microrods have diameters of about 20-30 mm and lengths of about 1-2 mm. Polarizing microscopy image of ZnO microrods shows that they have high crystal quality. The X-Ray diffraction pattern shows that microrods have vertical orientation and the crystal structure of ZnO is wurtzite type. At low exciting intensity, ultra violet range emission was found and the growth process of ZnO microrods was discussed.
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