Nanostructured diamond and diamond-like materials for application in field-emission devices

V BARANAUSKAS; M FONTANA; H J CERAGIOLI

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Nanostructured diamond and diamond-like materials for application in field-emission devices

机译：纳米结构的金刚石和类金刚石材料，用于场发射器件

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Nanostructured diamond and diamond-like materials having good field electron emission properties have been prepared using a hot-filament assisted chemical vapour deposition system fed with ethanol/hydrogen/helium mixtures. The changes in the structure of the samples were determined by the hydrogen content in the gas mixture and varied from samples of nanocrystalline diamond with graphitic connection between the grains (for helium concentration <40 vol percent) to samples of porous interconnected graphenes (for helium concentrations >40 vol percent). Although the samples had such structural differences, low threshold values for electron field emission in vacuum were observed for representative samples of low and high hydrogen concentrations in the gas feed.

机译：纳米结构的金刚石和类金刚石材料具有良好的场电子发射性能，已使用装有乙醇/氢气/氦气混合物的热丝辅助化学气相沉积系统制备。样品结构的变化取决于混合气体中的氢含量，从晶粒之间石墨连接的纳米晶金刚石样品（氦浓度<40 vol％）到多孔互连石墨烯样品（氦浓度）不等。 > 40 vol％）。尽管样品具有这样的结构差异，但是对于气体进料中低和高氢浓度的代表性样品，观察到真空中电子场发射的阈值较低。

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《Nanotechnology》 |2004年第10期|共6页
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V BARANAUSKAS; M FONTANA; H J CERAGIOLI;
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2. Protective diamond-like coatings for optical materials and electronic devices [J] . N. V. Novikov, A. G. Gontar, S. I. Khandozhko, Diamond and Related Materials . 2000,第3a6期

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Nanostructured diamond and diamond-like materials for application in field-emission devices

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