高电流密度场发射阵列的拟合模型

2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI:10.1109/IVELEC.2007.4283344

Ming-Chieh Lin

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引用次数: 0

摘要

我们开发了一种新的方法来拟合可能在大电流密度下工作的场发射阵列(FEAs)的电流-电压(I-V)特性。结果表明，自洽模型能很好地拟合高电流密度有限元的I-V特性。这也表明空间电荷效应在FEAs的饱和行为中起着重要的作用。

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A Fitting Model for High Current Density Field Emission Arrays

We have developed a new method for fitting the current-voltage (I-V) characteristics of the field emission arrays (FEAs) that may be operated at high current density. The self-consistent model is demonstrated to be a good fit to the I-V characteristics of high current density FEAs. This also indicates that the space charge effects play an essential role in the saturation behaviour of FEAs.

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2007 IEEE International Vacuum Electronics Conference

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