Field emission from multiwall carbon nanotubes in gas for producing microplasma discharge

被引：2
|
作者：
Zou, Q. [1 ]
Wang, M. Z. [1 ]
Yang, Y. L. [1 ]
机构：
[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 106卷 / 01期
关键词：
carbon nanotubes; discharges (electric); electron field emission; ELECTRONIC-PROPERTIES; EMITTERS; CATHODE;
D O I：
10.1063/1.3159888
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electron field emission (FE) from multiwall carbon nanotubes (CNTs) in gas (Ar and air) for producing microplasma discharge was measured in a scanning electron microscope. The results showed that the FE properties of the CNTs were stable in Ar and air gases when the FE threshold voltages were lower than the conventional gas breakdown voltages. These results proved the probability that microplasma could be sustained by FE electrons emitted from the CNTs without ion bombardment, which could avoid the damage of the cathode.
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页数：4
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