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Small. 2013 Oct 25;9(20):3385-9. doi: 10.1002/smll.201300553. Epub 2013 May 8.

Design and fabrication of carbon nanotube field-emission cathode with coaxial gate and ballast resistor.

Author information

1
Department of Systems Design Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada.

Abstract

A low density vertically aligned carbon nanotube-based field-emission cathode with a ballast resistor and coaxial gate is designed and fabricated. The ballast resistor can overcome the non-uniformity of the local field-enhancement factor at the emitter apex. The self-aligned fabrication process of the coaxial gate can avoid the effects of emitter tip misalignment and height non-uniformity.

KEYWORDS:

ballast resistor; carbon nanotubes; cathodes; coaxial gates; field emission

PMID:
23653258
DOI:
10.1002/smll.201300553
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