Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 576, Issue -, Pages 332-335Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.05.221
Keywords
Needle-shaped; MoO3 nanobelts; RF-magnetron sputtering; Field emission properties
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Funding
- National Basic Research Program of China (973 Program) [2011CB301705]
- National Natural Science Foundation of China [51202023]
- Scientific Research Foundation of CUIT [KYTZ201208]
- Guangdong Innovative Research Team Program [201001D0104713329]
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Slab-sided and needle-shaped MoO3 nanobelts with preferred (0 1 0) orientation normal Lathe surfaces of Cu coated quartz substrates were fabricated by RF-magnetron sputtering. The threshold fields with the separation of 100 mu m and 150 mu m between the anode and the sample were successfully controlled to be 6.17 and 5.13 MV/m, respectively. Their enhancement factors were improved to 5928 and 6960, respectively. In addition, the current fluctuation with time at a fixed voltage was limited to be within 4%. These excellent results demonstrated that the as-grown needle-shaped MoO3 nanobelt structure could be a promising candidate for the electronic display devices. (C) 2013 Elsevier B.V. All rights reserved.
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