The emission of different diamond coatings on silicon field emitter arrays were investigated: chemical vapor deposition diamond, high pressure and high temperature synthetic diamond, and shock-synthesized nanodiamond. Practical emission characteristics such as: emission threshold, maximum current, current stability, and reproducibility were tested. The effects of surface modification, the size of diamond crystallites, and hydrogen plasma treatments were also studied.
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Zhirnov et al. (1999) studied this question.
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