Electron emission of carbon nitride films and mechanism for the nitrogen-lowered threshold in cold cathode

W. T. Zheng*, J. J. Li, X. Wang, X. T. Li, Z. S. Jin, B. K. Tay, Chang Q. Sun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

The electron emission of carbon films and mechanism for the nitrogen-lowered threshold in cold cathode were studied. Carbon nitride films were deposited on Si(001) substrates using rf magnetron sputtering high purity pyrolytic graphite in a pure N2 discharge. It was found that the substrate temperature of 200°C, floating potential at the substrate, and the nitrogen partial pressure of 0.3 Pa were favorable to promote the reaction that lowers the work function.

Original languageEnglish
Pages (from-to)2741-2745
Number of pages5
JournalJournal of Applied Physics
Volume94
Issue number4
DOIs
Publication statusPublished - Aug 15 2003
Externally publishedYes

ASJC Scopus Subject Areas

  • General Physics and Astronomy

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