CUED Publications database

Carbon nanotube cathodes as electron sources for microwave amplifiers

Minoux, E and Hudanski, L and Teo, KBK and Groening, O and Peauger, F and Dieumegard, D and Schnell, JP and Gangloff, L and Amaratunga, GAJ and Milne, WI and Robertson, J and Legagneux, P (2007) Carbon nanotube cathodes as electron sources for microwave amplifiers. 2007 7th IEEE International Conference on Nanotechnology - IEEE-NANO 2007, Proceedings. pp. 1248-1251.

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Cold cathodes based on carbon nanotubes allow to produce a modulated electron beam. Using an array of vertically aligned CNs that exhibit an aspect ratio of about 200, we demonstrated the modulation of a high current density beam (∼ 1 A/cm ) at 1.5 and 32 GHz frequencies. Such CN cathodes are very promising for their use in a new generation of compact, highly efficient and low cost amplifiers that operate between 10 and 100 GHz. © 2007 IEEE. 2

Item Type: Article
Divisions: Div B > Electronics, Power & Energy Conversion
Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:32
Last Modified: 13 Apr 2021 08:18
DOI: 10.1109/NANO.2007.4601409