Simulation of disk-edge field emitter using FDM in non-orthogonal curvilinear coordinate system

Chen Wang Chen Wang,J.K.O Sin,V.M.C Poon,Baoping Wang Baoping Wang,Hongwei Zhao Hongwei Zhao

doi:10.1109/ivmc.1996.601787

Simulation of disk-edge field emitter using FDM in non-orthogonal curvilinear coordinate system

Chen Wang Chen Wang, J.K.O Sin + Show 3 more

https://doi.org/10.1109/ivmc.1996.601787

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Publication Date: Jul 7, 1996

Citations: 1

Affiliation: Hong Kong University of Science and Technology, University of Hong Kong

#Non-Orthogonal Curvilinear Coordinate System #Dependence Of Field Enhancement Factor + Show 8 more

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Abstract

In this paper, a new numerical algorithm, FDM in Non-Orthogonal Curvilinear Coordinate System, is presented. This algorithm can be used for efficient simulation of disk-edge field emitter. With the boundary-conforming coordinate lines, this method can deal with arbitrary microemitter shapes. Simulation results are presented for a unit cell, consisting of a disk-edge field emitter with cocktail glass structure. The dependence of field enhancement factor and emission current upon geometrical factors are presented.

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