Using a vapor transport method, ZnO nanowires were selectively synthesized both on tungsten tips as electron field emitters and on tungsten plates with designed patterns. Control of the growth locations of the nanowires was accomplished by selectively positioning a thin film of Au catalyst. The angular intensity and fluctuation of the field emission current from the ZnO nanowires synthesized on tungsten tips have been demonstrated to be similar to those of carbon nanotubes. A self-destruction limit of ∼0.1 mA/sr for angular intensity was observed, and the power spectra showed a 1/f3/2 characteristic from 1 Hz to 6 kHz.

Document Type




Rights Information

This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Applied Physics Letters and may be found at https://doi.org/10.1063/1.1554477

Publication Date


Journal Title

Applied Physics Letters