Mechanism of Field Emission from Carbon Systems(Special Issue on Field Electron Emission from Carbon Materials)

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概要

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• Electron field emission from diamond, diamond-like carbon, carbon nanotubes and nano-structurcd carbon is compared. It is found that in all practical cases, emission occurs from regions of positive electron affinity with an emission barrier of 〜5eV, the work function, and with a large field enhancement. The field enhancement in nanotubes arises from their geometry. In diamond, the field enhancement occurs by depletion of grain boundary states. In diamond-like carbon we propose that it occurs by the presence of sp^2-rich channels formed by the soft conditioning process.

• 社団法人電子情報通信学会の論文
• 2003-05-01

著者

• Robertson John

  Department Of Engineering Cambridge University

• Robertson John

  Department Of Biomedical Sciences And Pathobiology Virginia-maryland College Of Veterinary Medicine

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• Mechanism of Field Emission from Carbon Systems(Special Issue on Field Electron Emission from Carbon Materials)

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