Study on field enhancement of a normal-gated field emission nanowire cold cathode

	Study on field enhancement of a normal-gated field emission nanowire cold cathode
其他题名	论文其他题名
	Lei D.; Zeng L. Y.; Xia Y. X.; Chen S.; Liang J. Q.; Wang W. B.
	2007
发表期刊	Acta Physica Sinica
ISSN	1000-3290
卷号	56 期号:11 页码:6616-6622
摘要	The field enhancement is one of the important factors that indicate the performance of field emission cold cathode devices. It is intimately related to the field emission current density and the threshold voltage of the device. In our paper, the field enhancement factor of a normal-gated field emission nanowire cold cathode model was analytically deduced on the basis of classical electrostatic theory, and it is given by the equation. [Graphics] beta = k(1) .The effect of geometrical parameters of the device on the field enhancement factor was explored. The theoretical analysis showed that the larger the length (L -d(1))of nanowire above the gate and the gate hole radius, the larger the enhancement factor is; but the larger the nanowire radius, the smaller the enhancement factor is. When the L is much larger than d(1), the enhancement factor satisfies the relation. beta alpha L/r(0), for which N = N-1( k(1) r(0))/N-0(k(1) r(0)), N-0(k(1) r(0)) and N-1(k(1) r(0)) are both Neumann functions and k(1) = 0.8936/R. R, L, r(0) and d(1) are the gate hole radius, the nanowire length, the nanowire radius and the gate-cathode distance, respectively.
收录类别	SCI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/25707
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Lei D.,Zeng L. Y.,Xia Y. X.,et al. Study on field enhancement of a normal-gated field emission nanowire cold cathode[J]. Acta Physica Sinica,2007,56(11):6616-6622.
APA	Lei D.,Zeng L. Y.,Xia Y. X.,Chen S.,Liang J. Q.,&Wang W. B..(2007).Study on field enhancement of a normal-gated field emission nanowire cold cathode.Acta Physica Sinica,56(11),6616-6622.
MLA	Lei D.,et al."Study on field enhancement of a normal-gated field emission nanowire cold cathode".Acta Physica Sinica 56.11(2007):6616-6622.

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