First-principles evidence of a constant effective field enhancement factor for carbon nanotube field emitters

C. P. de Castro, T. A. de Assis, R. Rivelino, F. de B. Mota, C. D. de Castilho, R. Forbes
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Abstract

In recent density-functional-theory (DFT) calculations on small single-walled carbon nanotubes, it has been found that subtracting-off the zero-field components to form induced charge, potential, field and field-enhancement-factor distributions leads to useful theoretical insights and better consistency with the best experiments. This Poster represents an interim report that summarizes the current state of our thinking, and indicates the issues that we consider need to be explored further.
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碳纳米管场发射体恒定有效场增强因子的第一性原理证据
在最近对小型单壁碳纳米管的密度泛函理论(DFT)计算中,已经发现减去零场分量以形成诱导电荷、电势、场和场增强因子分布可以获得有用的理论见解,并且与最佳实验结果具有更好的一致性。这张海报是一份临时报告,总结了我们目前的想法,并指出了我们认为需要进一步探讨的问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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First-principles evidence of a constant effective field enhancement factor for carbon nanotube field emitters Non-topographic contrast in constant-current Scanning Field-Emission Microscopy (SFEM) Relative contributions to the emission within bundles of carbon nanocone emitters Electron emission properties of planar-type electron emission sources based on nanocrystalline silicon International Steering Committee (ISC)
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