Presentation 2003/12/5
Electron Emission from Carbon Nanotube Cathodes after Ar Plasma Treatment
Yasunori Kanazawa, Takeshi Oyama, Katsuhisa Murakami, Mikio Takai,
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Abstract(in English) CNT cathode surfaces have been exposed to Ar plasma and the emission characteristics were measured. When a CNT cathode was exposed to Ar plasma for 3 min, the emission characteristics were improved. The emission current increased after an Ar plasma treatment for 3 min by three orders of magnitude from 9.0 x 10^<-5> to 3.3 x 10^<-1> mA/cm^2 at 4.0V/μm with a decrease in turn-on voltage from 3.3V/μm to 1.7V/μm. According to SEM images, entangled CNT bundles were raveled out by Ar plasma treatment.
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Keyword(in English) CNT / carbon nanotube / plasma
Paper # ED2003-186
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Committee ED
Conference Date 2003/12/5(1days)
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Registration To Electron Devices (ED)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Electron Emission from Carbon Nanotube Cathodes after Ar Plasma Treatment
Sub Title (in English)
Keyword(1) CNT
Keyword(2) carbon nanotube
Keyword(3) plasma
1st Author's Name Yasunori Kanazawa
1st Author's Affiliation Research Center for Materials Science at Extreme Conditions and Graduate School of Engineering Science, Osaka University()
2nd Author's Name Takeshi Oyama
2nd Author's Affiliation Research Center for Materials Science at Extreme Conditions and Graduate School of Engineering Science, Osaka University
3rd Author's Name Katsuhisa Murakami
3rd Author's Affiliation Research Center for Materials Science at Extreme Conditions and Graduate School of Engineering Science, Osaka University
4th Author's Name Mikio Takai
4th Author's Affiliation Research Center for Materials Science at Extreme Conditions and Graduate School of Engineering Science, Osaka University
Date 2003/12/5
Paper # ED2003-186
Volume (vol) vol.103
Number (no) 497
Page pp.pp.-
#Pages 4
Date of Issue