Title :
Study on an electron gun based on carbon nanotube cold cathodes
Author :
Xuesong Yuan ; Xiaoyun Li
Author_Institution :
Sch. of Phys. Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
An electron gun based on a carbon nanotube cold cathode is investigated. The experiment results show that when the inner and outer radius of cathode are 4.5mm and 6.5mm, a 4mA/10kV annular electron beam can be obtained. The area compression ratio of the electron beam is 10.
Keywords :
carbon nanotubes; cathodes; electron beams; electron guns; annular electron beam; carbon nanotube cold cathodes; electron gun; Anodes; Carbon nanotubes; Cathodes; Current density; Electric fields; Electron beams; Focusing; carbon nanotube; cold cathode; electron gun; field emission;
Conference_Titel :
Millimeter Waves and THz Technology Workshop (UCMMT), 2013 6th UK, Europe, China
Conference_Location :
Rome, Italy
DOI :
10.1109/UCMMT.2013.6641559
