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Title | Many body effects on the transport properties of a doped nano device |
Authors |
Modarresi, M.
Roknabadi, M.R. Shahtahmasbi, N. Mirhabibi, M. |
ORCID | |
Keywords |
nanocluster doping many body theory |
Type | Conference Papers |
Date of Issue | 2011 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/20568 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Many body effects on the transport properties of a doped nano device [Òåêñò] / M. Modarresi, M. R. Roknabadi, N. Shahtahmasbi, M. Mirhabibi // Nanomaterials: applications & properties. Proceedings : 1-st International conference, Alushta, Crimea, 27-30 Semptember 2011 / Edited by: A. Pogrebnjak, T. Lyutyy, S. Protsenko. - Sumy : Sumy State University, 2011. - V.2, P.². - C. 24-29. |
Abstract |
In this article, we study the effect of electron-electron interaction in a doped nano
cluster sandwich between two electrodes. The Hamiltonian of the cluster is written in
the tight-binding model and electrodes are described in the wide-band approximation.
The GW approximation has been used for the calculation of the exchange-correlation
term in the cluster region. Our results showed that in the presence of the electronelectron
interaction the transmittance gap increases and current decreases. Also, in a
doped nano structure the transmission decreases and many body effect becomes more
important. By considering the exchange-correlation in a doped nano cluster in the GW
approximation the transmission and current decrease drastically.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/20568 |
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