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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology



Wednesday, 09 November 2005
(at 10:15 in room Phy 4.1.13)
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Contact dependence of carrier injection in carbon nanotubes: An ab initio study

Norbert Nemec

Institut für Theoretische Physik
Universität Regensburg
   






We combine ab initio density functional theory with transport calculations to provide a microscopic basis for distinguishing between `good' and `poor' metal contacts to nanotubes. Comparing Ti and Pd as examples of different contact metals, we trace back the observed superiority of Pd to the nature of the metal-nanotube hybridization. Based on large scale Landauer transport calculations, we suggest that the `optimum' metal-nanotube contact combines a weak hybridization with a large contact length between the metal and the nanotube.



slides (pdf)

related paper (pdf)

Invited by G. Cuniberti, C. Strunk (JClub + CQS + MC + QTD seminar)

Within the Journal Club 52 478

last modified: 2018.10.24 Mi
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