Nano-carbon materials for cold cathode applications

被引：12
|
作者：
Obraztsov, AN [1 ]
Zakhidov, AA [1 ]
Volkov, AP [1 ]
Lyashenko, DA [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119992, Russia
来源：
MICROELECTRONIC ENGINEERING | 2003年 / 69卷 / 2-4期
关键词：
field emission; carbon; nanostructures; CVD;
D O I：
10.1016/S0167-9317(03)00328-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Nano-carbon thin film materials were obtained by chemical vapor deposition in dc discharge activated hydrogen-methane gas mixture. Film structure, surface morphology and phase composition was studied by Raman, electron microscopy and electron spectroscopy methods. A highly efficient cold electron emission was found for the films composed from well graphitized nano-structures including carbon nanotubes and graphite nano-crystallites. Electron emission tests and analysis exhibit non-classical behavior of the nano-carbon cold cathodes. The statistical analysis of the cold emission show normal distribution of parameters of separate emission centers with narrow standard deviation. The possible mechanism of the cold emission is discussed. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：405 / 411
页数：7
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