Field Emission Characteristics of Carbon Nanotube Cold Cathode by Driving Millisecond Width Pulse Voltage

被引：0
|
作者：
Tan, Yuanming [1 ]
Zhu, Weiwei [1 ]
Zhang, Yu [1 ]
Chen, Jun [1 ]
Xu, Ningsheng [1 ]
Deng, Shaozhi [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangdong Prov Key Lab Display Mat & Technol, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
来源：
2016 29TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) | 2016年
关键词：
Carbon nanotube; field electron emission; millisecond width; peak and average emission current;
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：
Most of applications based on cold cathode work in pulse driving mode. It is reported here that the field electron emission characteristics from carbon nanotube cold cathode by driving millisecond width pulse voltage is investigated. A peak emission current of 5.06 mA with the current density of 253 mA/cm(2) is obtained from 0.02 cm(2) carbon nanotubes film by driving 1 ms width with 10 Hz frequency pulse voltage, and it is about twice larger than the maximum current (similar to 2.5 mA) in continuous voltage. The relation between the emission current and pulsed width is also studied, showing that the peak emission current vary hardly with changing the pulse width with a constant frequency.
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页数：2
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