Search for an Optimal Performance of Multi-Wall Carbon Nanotubes in Field Emission

Author

Liang, Shi-Dong ; Deng, S.Z. ; Xu, N.S.

Author_Institution

Sch. of Phys. & Eng., Sun Yat-Sen Univ., Guangzhou

fYear

2006

fDate

38899

Firstpage

275

Lastpage

276

Abstract

The field emission performance of different compositions of multi-wall carbon nanotubes (MWCN) are studied theoretically based on the quantum tunneling theory with the tight-binding approach. We found that the key characteristics of all MWCNs are almost independent of the composition and the layer number of MWCN for MWCNs with the layer number being more than three. The interlayer coupling of MWCN can induce the semiconductor-metal phase transition, which leads to most of MWCNs to be actually metallic, and the chiral and quantum size effects disappear

Keywords

carbon nanotubes; electrical conductivity transitions; field emission; tight-binding calculations; C; field emission; interlayer coupling; multiwall carbon nanotubes; quantum size effects; quantum tunneling theory; semiconductor-metal phase transition; tight-binding approach; Carbon nanotubes; Composite materials; Current density; Electrons; Flat panel displays; Laboratories; Organic materials; Physics; Semiconductivity; Tunneling;

fLanguage

English

Publisher

ieee

Conference_Titel

Vacuum Nanoelectronics Conference, 2006 and the 2006 50th International Field Emission Symposium., IVNC/IFES 2006. Technical Digest. 19th International

Conference_Location

Guilin

Print_ISBN

1-4244-0401-0

Type

conf

DOI

10.1109/IVNC.2006.335465

Filename

4134567