空间电荷对微针尖真空电子发射的影响

B. Seznec, T. Minea, P. Dessante, P. Teste
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引用次数: 0

摘要

建立了一种确定微针尖表面电子发射的模型。该方法解决了热输运和电流守恒相结合的多物理场问题,并建立了计算尖端前方电子空间电荷和推导尖端表面电场的蒙特卡罗模型。这种建模方法鲁棒性好,通用性强,可以应用于从直流到纳秒脉冲的多种情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of space charge on the vacuum electron emission from a microtip
A model which determines the electron emission from the surface of a microtip has been developed. It solves the multiphysics problem combining the heat transport and the current conservation inside the tip, which is coupled with a Monte Carlo model established to evaluate the electron space charge in front of the tip and to deduce the electric field at the surface of the tip. This modeling approach is very robust and versatile and it can be applied for several regimes lying from DC operation to nanosecond pulses.
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