Growth and field-emission property of tungsten oxide nanotip arrays
- 21 November 2005
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 87 (22), 223108
- https://doi.org/10.1063/1.2136006
Abstract
Large-area, quasialigned nanotips of tungsten oxide have been grown by a two-step high-temperature, catalyst-free, physical evaporation deposition process. The tungsten oxide nanotips are single crystalline with growth direction of [010]. The tungsten oxide nanotips exhibit excellent field-emission properties with a low threshold field (for an emission current density of ) and uniform emission from the entire arrays, as well as high time stability. These results make tungsten oxide nanotip arrays a competitive candidate for field-emission displays.
Keywords
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