采用HfC(210)和HfC(110)作为高亮度电子源

2016 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2016-04-19 DOI:10.1109/IVEC.2016.7561779

W. Mackie, G. Magera, J. Lovell

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引用次数: 0

摘要

我们报道了用(210)和(110)取向碳化铪制备的高亮度热场发射阴极。HfC(210)阴极显示出非常高的角强度，>50 mA/sr，并保持稳定。模型和实验数据显示，突出了这些源的用途，扫描电镜和其他高亮度的使用。

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Using HfC(210) and HfC(110) as high brightness electron sources

We report on high-brightness, thermal-field emission cathodes using (210) and (110) oriented hafnium carbide. HfC(210) cathodes are shown to deliver very high angular intensities to >50 mA/sr and remain stable. Modeling and experimental data are shown which highlights the utility of these sources for SEM and other high-brightness uses.

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2016 IEEE International Vacuum Electronics Conference (IVEC)

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