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Field emission performances of CNTs bundles array
Dai, Jianfeng1,2; Mu, Xiaowen2; Chen, Xiaoting2; Wang, Junhong2; Fu, Bi2
2011-10
发表期刊PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
ISSN1386-9477
卷号44期号:1页码:152-155
摘要The field emission performances of normal-gate cold cathode, which is composed of different multi-wall carbon nanotubes (MWCNTs) bundles array are calculated. The device parameters such as the arrangement of bundles, array density, gate location, gate voltage, anode voltages and anode-cathode distance affect the field emission properties, which is discussed in detail. The results reveal that the hexagon bundles array needs a lower threshold voltage than square array to reach high field enhancement factor and large emission current density. The emission current density is two orders larger than that of the oxide emitter. The optimal bundles array densities of hexagon and square array to get field enhancement factor are 0.0063 and 0.00375 mu m(-2), respectively. Meanwhile, the field emission performances are impacted critically by gate location and gate voltage. Field emission properties changed little while the anode-cathode distance varies within tens of micrometers, which increases the process-friendliness of CNTs field emission devices. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
关键词Field emission Field emission cathodes Multiwalled carbon nanotubes (MWCN) Threshold voltage Anode-cathode distance Device parameters Emission current density Emission performance Field emission devices Field emission property Field enhancement factor Large emission currents
DOI10.1016/j.physe.2011.08.006
收录类别SCI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[50873047] ; Foundation of Gansu Education department of China[0603-02]
WOS研究方向Science & Technology - Other Topics ; Physics
WOS类目Nanoscience & Nanotechnology ; Physics, Condensed Matter
WOS记录号WOS:000297433600026
出版者ELSEVIER
EI入藏号20114214444496
EI主题词Field emission displays
EI分类号701.1 Electricity: Basic Concepts and Phenomena - 714.1 Electron Tubes - 761 Nanotechnology
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/35045
专题理学院
通讯作者Dai, Jianfeng
作者单位1.State Key Lab Gansu Adv Non Ferrous Met Mat, Lanzhou 730050, Peoples R China;
2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
第一作者单位理学院
通讯作者单位理学院
推荐引用方式
GB/T 7714
Dai, Jianfeng,Mu, Xiaowen,Chen, Xiaoting,et al. Field emission performances of CNTs bundles array[J]. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2011,44(1):152-155.
APA Dai, Jianfeng,Mu, Xiaowen,Chen, Xiaoting,Wang, Junhong,&Fu, Bi.(2011).Field emission performances of CNTs bundles array.PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,44(1),152-155.
MLA Dai, Jianfeng,et al."Field emission performances of CNTs bundles array".PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES 44.1(2011):152-155.
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