Journal
APPLIED PHYSICS LETTERS
Volume 88, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2189200
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An intense enhancement of ultraviolet (UV) emission was observed in various kinds of ZnO samples that were prepared using a wet chemical method when they were under electron-beam irradiation. The UV emission can increase to more than two times its initial value, whereas the visible emission reduces to a negligible value. We suggest that this enhancement effect mainly results from electron-stimulated desorption of adsorbed water. Applying this effect, we have developed a simple technique of directly writing submicrometer UV emission patterns in ZnO with an electron beam without changing the material's surface morphology. (c) 2006 American Institute of Physics.
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