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Proceedings Paper

Calculating transport properties of nanodevices
Author(s): Eric F. Darve; Song Li; Yuriy Teslyar
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Paper Abstract

The Non Equilibrium Green's Function (NEGF) method is a powerful technique to compute quantum transport properties of nanoscale electronic devices. It is applicable to a wide range of devices, ranging from nano transistors, molecular switches, nano wires... Accurately simulating such devices often requires a 2D or a full 3D model. This leads to a large computational expense. We review existing methods for the fast computation of the density of charge using the Schrodinger-Poisson equation, and propose a new algorithm which has a significantly lower computational cost and is exact (in the absence of computer roundoff errors). The algorithm is applicable in the presence of various boundary conditions for the source, drain and gate regions, and for devices of arbitrary geometry.

Paper Details

Date Published: 29 December 2004
PDF: 12 pages
Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); doi: 10.1117/12.571494
Show Author Affiliations
Eric F. Darve, Stanford Univ. (United States)
Song Li, Stanford Univ. (United States)
Yuriy Teslyar, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 5593:
Nanosensing: Materials and Devices
M. Saif Islam; Achyut K. Dutta, Editor(s)

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