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References (3)
-
10.1016/S0167-2991(09)61248-9
-
N. Diserens (1982)
A space charge beam option for the PE2D and TOSCA packagesIEEE Transactions on Magnetics, 18
-
E. Munro, Xieqing Zhu, M.R. Smith, S. Desbruslais, J. Rouse (1990)
Field computation techniques in electron opticsIEEE Transactions on Magnetics, 26
- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 0332-1649
- DOI
- 10.1108/eb051758
- Publisher site
- See Article on Publisher Site
Abstract
Electron energy loss spectrometers EELS for surface studies require a high energy resolution E 3 meV monochromatic electron beam with the highest possible current. In order to improve the transmission of such a device, and so the achievable current, a 3D simulation of electron trajectories taking into account space charge effects was performed for typical three lenses cathode systems, electrostatic cylindrical deflector analyzer CDA 127 and acceleration lenses. The results of the analysis are presented and their effects on the overall design of the device are discussed.
Journal
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering – Emerald Publishing
Published: Jan 1, 1992