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Growth mechanism and field emission properties of inject-like ZnO nanostructure

We report the fabrication process of injector-like ZnO nanostructures and their excellent field emission properties. Injector-like Zinc oxide (ZnO) nanostructures were synthesized on a Si (001) substrate with ~5 nm thick gold film by direct thermal evaporation of Zinc power under a low temperature of 600 degC and normal pressure. Field emission scanning electron microscopy (FESEM), x-ray diffraction (XRD), Raman and photoluminescence (PL) were applied to study the structural characteristics and optical properties of the product.