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ZnO nanowires were grown by direct oxidation of ZnO substrate. The field emission from ZnO nanowire has been studied. The obtained results indicated that the ZnO nanowire has good field emission properties.
ZnO nanowire films were grown on stainless-steel disc with a thin layer of Au as catalyst by thermal evaporation in a vacuum chamber. Morphology of the nanowires was investigated by scanning electron microscopy, while emission site distribution images were recorded by a CCD camera. The nanowires were then used as cathodes in a luminescent tube and its turn-on and threshold voltages and fields, and...
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