Open AccessTheoretical methods for definition of the emission area of multi-tip cathodes and their experimental validation
Author(s) -
E. O. Popov,
Anatoly G. Kolosko,
Sergey V. Filippov,
S. A. Poniaev
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1400/7/077059
Subject(s) - field electron emission , cathode , voltage , materials science , current (fluid) , computational physics , physics , electrical engineering , engineering , nuclear physics , electron
The processing of the current-voltage characteristics (IVC) taken from multi-tip field emitters (LAFEs) requires a streamlined and objective processing method for obtaining the main emission parameters. This paper considers different approaches for determining the effective emission surface. Methods for determining the area are applied to the analysis of experimental IVCs for single-walled (SW) and multi-walled (MW) LAFEs. The dependence of the effective emission area on the applied voltage was confirmed.