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Conductance calculations through stacks of polyaromatic hydrocarbons
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Computational Physics .
2001 (English)In: Synthetic metals, ISSN 0379-6779, Vol. 121, no 1-3, 1273-1274 p.Article in journal (Refereed) Published
Abstract [en]

Polyaromatic hydrocarbons (PAH) can be synthesized many different sizes. They form self-assembled stacks of molecules which could be utilized in nanoelectronics applications. In this work we study stacks of PAH contacted to multichannel metallic leads. The conductance is calculated using the Landauer formula for the neutral and alkali doped stacks of PAH. We show that in the non-resonance tunneling limit the conductance is linearly related to the size of the individual PAH. A simple expression is shown to approximately describe the dependence of the conductance on the number of molecules in a stack as well as the inter-molecular interaction.

Place, publisher, year, edition, pages
2001. Vol. 121, no 1-3, 1273-1274 p.
Keyword [en]
Graphite and related compounds, Semi-empirical models and model calculations
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-47438DOI: 10.1016/S0379-6779(00)01169-3OAI: diva2:268334
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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Stafström, Sven
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