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Journal of Materials Science

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01-07-2010

Field emission properties of one-dimensional single CuO nanoneedle by in situ microscopy

Authors: Yueli Liu, Lei Zhong, Zhuoyin Peng, Yanbao Song, Wen Chen

Published in: Journal of Materials Science | Issue 14/2010

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Abstract

In this article, the field-emission property of individual CuO nanoneedle was investigated to explore its tip image and real work function using in situ transmission electron microscopy. The maximum emission current of nanoneedle used in this study was 1.08 μA, and two different slopes in the corresponding F–N graph existed with work functions of the CuO nanoneedle being 1.12 and 0.58 eV. In comparison with the single CuO nanoneedle, the field enhancement β and parameter s of the CuO nanoneedle’s film arrays were also studied, which showed that the screening effect played a key role in the field-emission process.

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Title: Field emission properties of one-dimensional single CuO nanoneedle by in situ microscopy
Authors: Yueli Liu
Lei Zhong
Zhuoyin Peng
Yanbao Song
Wen Chen
Publication date: 01-07-2010
Publisher: Springer US
Published in: Journal of Materials Science / Issue 14/2010
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-010-4433-4

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