MULTIDIMENSIONAL AUGMENTED CURRENT EQUATION INCLUDING VELOCITY OVERSHOOT

被引：13

作者：

KAN, EC ^{[1
]}

RAVAIOLI, U ^{[1
]}

CHEN, D ^{[1
]}

机构：

[1] UNIV ILLINOIS,COORDINATED SCI LAB,URBANA,IL 61801

来源：

IEEE ELECTRON DEVICE LETTERS | 1991年 / 12卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/55.119151

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The augmented drift-diffusion current equation, which includes velocity overshoot effects through the space derivatives of the electric field, cannot be directly extended beyond one dimension, as given by Thornber [1]. We have developed a new formalism, which considers the carrier heating and the distribution relaxation effects, to obtain a multidimensional augmented drift-diffusion current equation. The equivalent mobility containing the velocity overshoot correction is derived from the perturbation analysis on the carrier temperature using the energy balance equation. We discuss also the issues related to the numerical implementation of this generalized model and the validity of the assumptions.

引用

页码：419 / 421

页数：3

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