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  1. NTU Theses and Dissertations Repository
  2. 理學院
  3. 數學系
Please use this identifier to cite or link to this item: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/36891
Title: 半導體中QDD模型的數值方法
Numerical method of the Quantum Drift Diffusion in Semiconductor
Authors: Jui-Peng Chang
張濬朋
Advisor: 陳宜良
Keyword: 半導體數學,擴散漂移模型,量子模型,
Semiconductor,Quantum drift diffusion model,
Publication Year : 2005
Degree: 碩士
Abstract: 我們是研究半導體數學中的量子擴散漂移模型(QDD Model)
又叫做密度梯度模型(DG Model),在這個巨關模型中包含了
電子密度的非線性拋物線方程和電子位能的波松方程。而我們是
利用有限差分方法來離散化這個模型方程,而且利用牛頓疊代法
來解這個離散系統,最後我利用了Ballistic二極體結構來展示
這個數值方法。
We study the quantum drift diffusion model (QDD) which was known (Density Gradient Model DG model) of semiconductor. This macroscopic model consists of a nonlinear parabolic equation for electron density, which coupled with a Poisson equation for electrostatic potential. We solve this system numerically by finite difference method, which can maintain the positivity of density in whole space. Numerical results for a ballistic diode structure are presented.
URI: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/36891
Fulltext Rights: 有償授權
Appears in Collections:數學系

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