Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4861611
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Funding
- National Key Laboratory of Science, and Technology on Vacuum Electronics, Science and Technology Project Foundation of Zhongshan [2013A3FC0264]
- NSFC [60071043, 61301053, 11375115]
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High-current field emitters are made by graphene paper consist of aligned graphene sheets. Field emission luminance pattern shows that their electron beams can be controlled by rolling the graphene paper from sheet to cylinder. These specific electron beams would be useful to vacuum devices and electron beam lithograph. To get high-current emission, the graphene paper is rolled to array and form graphene cannon. Due to aligned emission array, graphene cannon have high emission current. Besides high emission current, the graphene cannon is also tolerable with excellent emission stability. With good field emission properties, these aligned graphene emitters bring application insight. (C) 2014 AIP Publishing LLC.
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