Carbon nanotube-based electron field emitters

被引：102
|
作者：
Eletskii, A. V. [1 ]
机构：
[1] Russian Res Ctr, Kurchatov Inst, Moscow 123182, Russia
来源：
PHYSICS-USPEKHI | 2010年 / 53卷 / 09期
关键词：
X-RAY SOURCE; EMISSION PROPERTIES; ENERGY-DISTRIBUTION; CURRENT-DENSITY; WORK-FUNCTIONS; BEAM EMISSION; SIDE WALL; ARRAYS; TUBE; CATHODES;
D O I：
10.3367/UFNe.0180.201009a.0897
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The current status of research and development of carbon nanotubes (CNTs) electron field emitters is reviewed. The physical aspects of electron field emission that underlie the unique emission properties of CNTs are considered. Physical effects and phenomena affecting the emission characteristics of CNT cathodes are analyzed. Effects given particular attention include the electric field enhancement near a CNT tip; electric field screening by neighboring nanotubes; statistical spread of the parameters of the individual CNTs comprising the cathode; the effects of heat leading to thermal degradation of nanotubes during emission, and adsorbate effects on the surface of the emitter. Advances in vacuum electronics due to the use of CNT field cathodes are reviewed.
引用
收藏
页码：863 / 892
页数：30
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