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A new type of linear field emission cathode with ZnO nanostructure grown on nickel wires was prepared by hydrothermal approach. The obtained ZnO nanotapers were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results indicated that the ZnO nanotapers with sharp tips were high quality single crystals, and grow along (002) direction. The field emission properties were investigated by ZnO nanotapers on nickel wire as the cathode in the centre of a cylindrical ITO anode. The field enhancement factor beta was about 2.23 x 10(4) cm(-1), which improved greatly for the cylindrical configuration and sharp geometry of the ZnO nanotapers tip.
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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN： 0957-4522
Year： 2010
Issue： 12
Volume： 21
Page： 1281-1284
0 . 9 2 7
JCR@2010
2 . 8 0 0
JCR@2023
ESI Discipline： MATERIALS SCIENCE;
JCR Journal Grade：3
CAS Journal Grade：4
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 1
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