CUED Publications database

Field emission vacuum power switch using vertically aligned carbon nanotubes

Rupesinghe, NL and Chhowalla, M and Teo, KBK and Amaratunga, GAJ (2003) Field emission vacuum power switch using vertically aligned carbon nanotubes. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 21. pp. 338-343. ISSN 1071-1023

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Abstract

The best field emission properties from carbon nanotube cathodes were obtained when their heights, diameters and spacings were optimized. Field emission currents as high as 10 mA were obtained from 1 cm × 1 cm vertically aligned CNT cathode with optimized parameters grown using dc plasma CVD in situ. It was found that in order to obtain large emission current of >10 mA, space charge effects within the electron beam must be taken into account.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:09
Last Modified: 08 Dec 2014 02:34
DOI: 10.1116/1.1527635