 | Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 5: Modeling & Simulation of Microsystems |
A Continuous yet Explicit Carrier-Based Core Model for the Long Channel Undoped Surrounding-Gate MOSFETs | |
| Authors: | L. Zhang, J. He, F. Liu, J. Zhang, J. Feng, C. Ma |
| Affilation: | Peking University, CN |
| Pages: | 590 - 593 |
| Keywords: | device physics, compact modeling, surrounding-gate MOSFET, carrier-based model |
| Abstract: | An explicit carrier-based core model for the long channel undoped surrounding-gate MOSFETs is presented in the paper An analytic approximation solution to the carrier concentration is developed from a simplified Taylor expansion of the exact solution of Poisson’s equation of the surrounding-gate MOSFETs, instead to resorting to the Newton-Raphson numerical iterative. The analytic approximation not only gives accurate dependences of the carrier concentration on the geometry structures and bias, compared with the Newton-Raphson numerical method, but also is used to develop an explicit current-voltage model of the surrounding-gate MOSFETs combined with Pao-Pah current formulation. The presented explicit model is found to be computationally more efficient than the previous numerical Newton-Raphson iterative while more accurate than the previously published explicit model. |
| ISBN: | 978-1-4200-8505-1 |
| Pages: | 940 |
| Hardcopy: | $159.95 |
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