A General Rule for Nanoelectronic Push–Pull Devices Based on Source-σ Bridge-Drain
In this paper we show that, beyond the particular models, utilizing an hybrid equilibrium/nonequilibrium methodologies it is possible to create a general model for organics push–pull nanoscale devices within σ bonds in the backbone. It is shown by direct quantum-mechanic calculations under external electric field and a nonequilibrium calculation based on the ballistic Landauer-Büttiker equation that I–V curves are comparable to the equilibrium charge distribution results. These related models were successfully applied to the alkanethiol derivatives presenting a bi-directional rectification response with two operational regions and a very low commutation lost, thus revealing important applications for communication technologies. These results could provide novel insights to the emerging and fast growth field of molecular electronics.
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Document Type: Research Article
Publication date: 2008-04-01
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- Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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