Calculation of field enhancement factor of gated nanowire

	Calculation of field enhancement factor of gated nanowire
其他题名	论文其他题名
	Lei D.; Wang W. B.; Zeng L. Y.; Liang J. Q.
	2009
发表期刊	Acta Physica Sinica
ISSN	1000-3290
卷号	58 期号:5 页码:3383-3389
摘要	To estimate the field enhancement factor of the gated nanowire, the image charge model of floating sphere between parallel gate and cathode plates is proposed. The field enhancement factor of the gated nanowire is expressed by beta = 1/2 (3.5 + L/r(0) + W), where L and r(0) are the length and tip radius of nanowire, respectively, and W is a function of the gate-hole radius R, gate-cathode distance d and the geometrical parameters of the nanowire. The calculation results show that the influence of the aspect ratio of the nanowire on the enhancement factor is remarkable, i.e., the enhancement factor increases rapidly with the increase of the length and top curvature of the nanowire. Furthermore, the enhancement factor decreases with the increase of the gate-cathode distance and is equal to beta(0) = 3.5 + L/r(0) when the gate-cathode distance tends to infinite. The smaller the gate-hole radius, the larger the enhancement factor, and the enhancement factor will be equal to beta = beta(0) + 1.202 (L/d)(3) when the gate-hole radius tends to zero.
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/181722/25646
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.,Wang W. B.,Zeng L. Y.,et al. Calculation of field enhancement factor of gated nanowire[J]. Acta Physica Sinica,2009,58(5):3383-3389.
APA	Lei D.,Wang W. B.,Zeng L. Y.,&Liang J. Q..(2009).Calculation of field enhancement factor of gated nanowire.Acta Physica Sinica,58(5),3383-3389.
MLA	Lei D.,et al."Calculation of field enhancement factor of gated nanowire".Acta Physica Sinica 58.5(2009):3383-3389.

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