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Author: Chen, Jun × Author: Deng, Shao Zhi × End date: 2019 × Start date: 2000 ×

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Growth and field-emission property of tungsten oxide nanotip arrays

2005-11-21 , Zhou, Jun , Gong, Li , Deng, Shao Zhi , Chen, Jun , She, Jun Cong , Xu, Ning Sheng , Yang, Rusen , Wang, Z. L. (Zhong Lin)

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 10 mA/cm²) ~4.37 MV/m 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.

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