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dc.contributor.authorT. Kumpikaen_US
dc.contributor.authorW. Thongsuwanen_US
dc.contributor.authorP. Singjaien_US
dc.description.abstractWe have demonstrated a simple method for depositing ZnO nanodots on quartz substrates by sparking off different tip shapes at voltages of 2, 4 and 6 kV in air at atmospheric pressure. A comparison was made among the three tip shapes: the sharp tip, the conical tip and the dull tip. The surface morphology was then observed by atomic force microscopy. The mean height of the randomly distributed dots of approximately 8 nm was successfully deposited from the sharp tip at 6 kV. Characterizations by UV-vis spectroscopy and Raman spectroscopy have confirmed the presence of ZnO and the quality improvement by annealing treatments. Moreover, a nucleation mechanism of the nanodot formation is discussed. Copyright © 2006 John Wiley & Sons, Ltd.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleAtomic force microscopy imaging of ZnO nanodots deposited on quartz by sparking off different tip shapesen_US
article.title.sourcetitleSurface and Interface Analysisen_US
article.volume39en_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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