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Proceedings Paper

Gold nanoparticle single-electron transistor simulation
Author(s): Y. S. Gerasimov; V. V. Shorokhov; E. S. Soldatov; O. V. Snigirev
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Paper Abstract

We suggest an approach for determining nanoobjects’ energy spectra depending on its total electric charge. The approach was tested studying golden nanoparticles of different sizes surrounded by ligands of dodecanethiols. Quantum methods of Hartree-Fock and DFT were used to calculate energy spectra and capacitances for such gold nanoparticles consisting of up to 33 atoms of gold. Presence of “extra” levels in energy gap of nanobject’s spectra was revealed. Also dodecanethiol SCH2(CH2)10CH3 ligands influence on the total capacitance and energy spectrum of molecular nanocluster was shown. Finally transport characteristics for gold nanocluster based molecular single-electron transistor (MSET) were calculated using the obtained energy spectra.The simple energy spectra structure model used in the present work may allow single-electron transistor (SET) simulation for larger molecular systems.

Paper Details

Date Published: 8 January 2013
PDF: 13 pages
Proc. SPIE 8700, International Conference Micro- and Nano-Electronics 2012, 870015 (8 January 2013); doi: 10.1117/12.2017078
Show Author Affiliations
Y. S. Gerasimov, Moscow State Univ. (Russian Federation)
National Research Ctr. Kurchatov Institute (Russian Federation)
V. V. Shorokhov, Moscow State Univ. (Russian Federation)
E. S. Soldatov, Moscow State Univ. (Russian Federation)
O. V. Snigirev, Moscow State Univ. (Russian Federation)
National Research Ctr. Kurchatov Institute (Russian Federation)

Published in SPIE Proceedings Vol. 8700:
International Conference Micro- and Nano-Electronics 2012
Alexander A. Orlikovsky, Editor(s)

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