Nano Science and Technology Institute
Nanotech 2003 Vol. 2
Nanotech 2003 Vol. 2
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 2
Chapter 1: Semiconductors

A Methodology of Field-Emission Modeling with Space-Charge Effects

Authors:T-H Tsai, H-K Tang and Y-J Yang
Affilation:National Taiwan University, TW
Pages:32 - 35
Keywords:space charge effect, field emission, BEM
Abstract:In this paper, we present a methodology for modeling and simulating 3D field-emission devices (FED) with space-charge effect. This approach applies a boundary-element-method (BEM) electrostatics solver [1] and an adaptive explicit integrator. The space charge effect is modeled by a method similar to the particle-in-cell (PIC) method [2]. The results by this methodology are verified with the results by a commercial electromagnetic package MAGIC [3]. We also demonstrate that this methodology not only provides excellent accurate results, but also reduces the effort of creating 3D solid models of field emission tips.
A Methodology of Field-Emission Modeling with Space-Charge EffectsView PDF of paper
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