Real Space Multigrid Method for Ballistic Carbon Nanotubes Field-Effect Transistor

被引：1

作者：

Ha, Cheun Yuen ^{[1
]}

Yeak, Su Hoe ^{[1
]}

Tan, Michael Loong Peng ^{[2
]}

机构：

[1] Univ Teknol Malaysia, Dept Math Sci, Fac Sci, Skudai 81310, Johor, Malaysia

[2] Univ Teknol Malaysia, Dept Elect & Comp Engn, Fac Elect Engn, Skudai 81310, Johor, Malaysia

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2018年 / 13卷 / 09期

关键词：

Carbon Nanotubes; Real Space Approach; Multigrid; Poisson Equation; Jacobian Matrix; POISSONS-EQUATION;

D O I：

10.1166/jno.2018.2368

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：

This paper is focus on the development of a multigrid method, which is applied and its numerical simulation capability in carbon nanotube field-effect transistor (CNTFET). This research applied multigrid method in fixed size nanotube length, similar to 45 nm, and the transistor channel (13, 0) intrinsic carbon nanotubes (CNTs). In this research, we explored and compared the performance of CNTFET in simulation time with different size of grid points (101 x 101 until 701 x 701). This enables an efficient calculation of quantum transport properties, which relies on the Poisson equation matrices in real space approach. The comparison results show that the multigrid technique requires less computational time, by up to 54% without the Jacobian matrix and 4% with the Jacobian matrix.

引用

页码：1284 / 1289

页数：6

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