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A simplified model for field emission through open carbon nanotubes

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4 Author(s)
Wang, X.F. ; State Key Lab. of Optoelectron. Mater. & Technol., Zhongshan Univ., Guangzhou, China ; Guan, F. ; Li, Z.B. ; Xu, N.S.

Summary form only given. The potential barrier of a single carbon nanotube is not exactly known up to now. We propose a simple model for the potential barrier of a single open carbon nanotube, in which the carbon nanotube is described by a δ-function potential valley through which the electrons are transfered from the Fermi sea to the vacuum by the strong applied field. We compute the potential barrier curve self-consistently by numerically solving the schrodinger equation with Numerov algorithm, and then discuss the effects of such kind of the potential barrier on the field emission.

Published in:

Vacuum Microelectronics Conference, 2003. Technical Digest of the 16th International

Date of Conference:

7-11 July 2003