Thermal-assisted field emission from carbon nanotube cathode

被引：0
|
作者：
Cui, Yunkang [1 ]
Zhang, Xiaobing [2 ]
Lei, Wei [2 ]
Di, Yunsong [2 ]
MeiXiao [2 ]
Wang, Qilong [2 ]
Chen, Jing [2 ]
机构：
[1] Nanjing Inst Technol, Dept Basic Courses, Nanjing, Jiangsu, Peoples R China
[2] Southeast Univ, Sch Elect Sci Engn, Nanjing, Jiangsu, Peoples R China
来源：
2012 25TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) | 2012年
基金：
中国国家自然科学基金;
关键词：
field emissiom; thermal-assisted; carbon nanotube; screen-printed;
D O I：
暂无
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：
Carbon nanotube is a promising electron source due to its excellent field emission performance. However, most of the field emission experiments for CNTs were performed at a fixed temperature. In this work, a thermal-assisted field emission of screen printed carbon nanotube cathode was investigated. It is found that the field emission properties of the CNTs cathode, such as turn-on field and the field emission current density, were largely related to the temperature of the cathode. The decrement of work function was the main reason for the variation in the field emission properties.
引用
收藏
页码：192 / +
页数：2
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