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- Title
Statistical dispersion of the field emission parameters of multipoint cathodes based on a polymer-carbon nanotube composite.
- Authors
Kolosko, A.; Popov, E.; Filippov, S.; Romanov, P.
- Abstract
Statistical properties of the characteristics of a field-electron emitter based on a polystyrene-carbon nanotube composite have been studied. Experimental data have been used to plot the slope versus intercept of I-U curve in the Fowler-Nordheim coordinates and a histogram of the effective heights of emission centers. Numerical estimations show that this statistics obeys the lognormal distribution law. A series of experiments have been performed for determining the influence of the level of emission current on the character of distribution, and a model describing this dependence is proposed.
- Subjects
FIELD emission; CATHODES; CARBON nanotubes; POLYSTYRENE; DISTRIBUTION (Probability theory)
- Publication
Technical Physics Letters, 2014, Vol 40, Issue 5, p438
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785014050198