Very Stable Large Current Density Printed Carbon Nanotube Field-Emission Cathode Applied in Electron Gun

被引：0

作者：

Yu, Cairu ^{[1
]}

Liu, Jing ^{[1
]}

Wang, Qilong ^{[1
]}

Zhu, Zhuoya ^{[1
]}

Di, Yunsong ^{[1
]}

Zhang, Xiaobing ^{[1
]}

机构：

[1] Southeast Univ, Sch Elect Sci & Engn, 2 Sipailou, Nanjing 210096, Jiangsu, Peoples R China

来源：

2015 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2015年

关键词：

large current density; carbon nanotubes; field emission;

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：

We have fabricated large current density cold cathodes based on the printed carbon nanotubes(CNTs), which are applied in the compact vacuum electron devices including X-ray sources and microwave tubes. The peak value of the cathode current in the diode structure driven by DC voltage is up to 19.88mA (current density: similar to 2.51A/cm(2)), along with the fluctuations of the current smaller than 5.3% during the period of about 27 hours. The experimental results show that printed CNTs have the potential as field emission electron sources.

引用

页数：2

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