Role of the curvature of atomic layers in electron field emission from graphitic nanostructured carbon

  • A. N. Obraztsov
  • A. P. Volkov
  • I. Yu. Pavlovskii
  • A. L. Chuvilin
  • N. A. Rudina
  • V. L. Kuznetsov
Condensed Matter

Abstract

Layers of oriented carbon nanotubes and nanometer-size plate-shaped graphite crystallites are obtained by chemical vapor deposition in a glow-discharge plasma. A structural-morphological investigation of a carbon material consisting of nanotubes and nanocrystallites is performed, and the field-emission properties of the material are also investigated. It is shown that electron field emission is observed in an electric field with average intensity equal to or greater than 1.5 V/μm. The low fields giving rise to electron emission can be explained by a decrease in the electronic work function as a result of the curvature of the atomic layers of graphitic carbon.

PACS numbers

79.70.+q 73.61.Tm 81.15.Gh 36.40.−c 

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Copyright information

© MAIK "Nauka/Interperiodica" 1999

Authors and Affiliations

  • A. N. Obraztsov
    • 1
  • A. P. Volkov
    • 1
  • I. Yu. Pavlovskii
    • 1
  • A. L. Chuvilin
    • 2
  • N. A. Rudina
    • 2
  • V. L. Kuznetsov
    • 2
  1. 1.M. V. Lomonosov Moscow State UniversityMoscowRussia
  2. 2.G. K. Boreskov Institute of CatalysisRussian Academy of SciencesNovosibirskRussia

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