Triode field emitter with a gated planar carbon-nanoparticle cathode

被引：20

作者：

Park, KH

Seo, WJ

Lee, S ^{[1
]}

Koh, KH

机构：

[1] Ajou Univ, Dept Mol Sci & Technol, Suwon 441749, South Korea

[2] Ajou Univ, Informat Display Res Inst, Suwon 441749, South Korea

来源：

APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 02期

关键词：

D O I：

10.1063/1.1492012

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We fabricated a triode field emitter with a normal gate structure and a planar cathode of carbon nanoparticles (CNPs), which consisted of good quality graphitic sheets encapsulating metal (carbide) cores. For the quantitative analysis of the emission from the CNP triode emitter, we carried out a two-dimensional numerical calculation of electrostatic potential using the finite element method. As it turned out, a radial variation of electric field was very important to account for the emission from a planar emitting layer. By assuming the work function of 5 eV for CNPs, a set of consistent Fowler-Nordheim parameters, together with the radial position of emitting sites, were determined. (C) 2002 American Institute of Physics.

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页码：358 / 360

页数：3

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