Study of the electric field screening effect for field emitter arrays

被引：4

作者：

Li, Nannan ^{[1
,2
]}

Yan, Fei ^{[3
]}

Pang, Shucai ^{[3
]}

Chen, Lei ^{[3
]}

Jin, Dazhi ^{[3
]}

Xiang, Wei ^{[3
]}

Zhang, De ^{[3
]}

Dai, Jingyi ^{[3
]}

Zeng, Baoqing ^{[1
,4
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Phys Elect, Natl Key Lab Sci & Technol Vacuum Elect, Chengdu 610054, Peoples R China

[2] China Acad Engn Phys, Inst Elect Engn, Mianyang 621900, Peoples R China

[3] China Acad Engn Phys, Inst Elect Engn, Mianyang 621900, Peoples R China

[4] Univ Elect Sci & Technol China, Dept Elect Engn, State Key Lab Elect Thin Films & Integrated Devic, Zhongshan Lab,Zhongshan Inst, Zhongshan 528402, Peoples R China

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2015年 / 66卷 / 08期

基金：

美国国家科学基金会;

关键词：

Electric field screening; Field emitter arrays; Maximum emission efficiency; CARBON NANOTUBE FILMS; EMISSION; SIMULATION; DISPLAY;

D O I：

10.3938/jkps.66.1186

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Understanding the influence of the interaction of emitters on the field emission performance of a field emitter array is of great importance for the design of a multi-emitter device. In this work, a screening factor S is defined to quantify the effect of electric field screening due to the interaction of emitters in an array. A three-dimensional finite integration technique is used to study the electric field screening effect for Spindt-type field emitter arrays which have potential applications in flatscreen displays and high-power vacuum electronics. The dependences of the electric field screening on the tip-to-tip spacing, half-angle of the emitter, height of the emitter and radius of the tip's curvature are analyzed. The effects of the variations in the size of the emitter's geometry on the most efficient arrangement to achieve maximum emission efficiency in an array are discussed.

引用

页码：1186 / 1191

页数：6

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