Electron transport simulations of a multilead system using the impulse-response method

We introduce a computational procedure for designing nanoscale electronic devices using an impulse‐response method, which is an originally developed simulation method within the framework of real‐space finite‐difference formalism. The impulse‐response method is a new computational scheme for computi...

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Bibliographic Details
Published in:Surface and interface analysis 2008-06, Vol.40 (6-7), p.1113-1116
Main Authors: Suzuki, Taku, Goto, Hidekazu, Hirose, Kikuji
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
electronic transport simulation
Exact sciences and technology
impulse-response method
multilead system
nanostructure
Physics
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Summary:We introduce a computational procedure for designing nanoscale electronic devices using an impulse‐response method, which is an originally developed simulation method within the framework of real‐space finite‐difference formalism. The impulse‐response method is a new computational scheme for computing the scattering wave function for an incident electron with arbitrary energy in which the impulse wave function is adopted as an initial state of the time evolution. In applying the impulse‐response method to electron transport simulations of two‐dimensional multilead systems, we discuss and illustrate the feasibility of designing a nanoscale multilead electron transportation system. Copyright © 2008 John Wiley & Sons, Ltd.
ISSN:0142-2421
1096-9918
DOI:10.1002/sia.2873