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Switch-on Phenomena and Field Emission from Multi-Walled Carbon Nanotubes Embedded in Glass
Author(s) -
Emad S Bani Ali,
Marwan S. Mousa
Publication year - 2016
Publication title -
han-guk hyeonmigyeong hakoeji/applied microscopy
Language(s) - English
Resource type - Journals
eISSN - 2287-4445
pISSN - 2234-6198
DOI - 10.9729/am.2016.46.4.244
Subject(s) - carbon nanotube , field electron emission , materials science , field (mathematics) , nanotechnology , carbon fibers , composite material , engineering physics , physics , nuclear physics , composite number , mathematics , pure mathematics , electron
Cold field electron emission (CFE) is an electron emission regime where electrons are field emitted from a surface, by tunneling from states near the emitter Fermi level (Forbes, 2012; Forbes et al., 2015). The emission process is controlled by the height and width of the surface potential-energy (PE) barrier, and the barrier width is determined by the magnitude F of the local barrier electrostatic field. For metal emitters, the emission current I from a single tip emitter is given by a Fowler-Nordheim-type (FN-type) equation (Forbes, 2012; Forbes et al., 2015):

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