Improved methods for space-charge calculations in electron-beam analysis programs

1 October 1975

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices

Vol. 22 (10) , 924-930
https://doi.org/10.1109/T-ED.1975.18243

Abstract

A new method for the evaluation of steady-state space-charge distributions in electron-beam devices is presented, for use in numerical-analysis computer programs. Its features include simplicity of implementation and improved accuracy. These characteristics are illustrated by various electron-flow systems. The difficulty of convergence to the steady-state solution for systems incorporating strong magnetic fields is demonstrated and a method of overcoming it is suggested.

Keywords

STEADY STATE
DISTRIBUTED COMPUTING
SPACE CHARGE
ELECTRON BEAM
VALVES
CATHODES
NUMERICAL ANALYSIS
APPLICATION SOFTWARE
ELECTRON EMISSION
MAGNETIC FIELDS

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