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The European Physical Journal E

, Volume 18, Issue 2, pp 201–206 | Cite as

Combined experimental and theoretical DFT study of molecular nanowires negative differential resistance and interaction with gold clusters

  • S. Záliš
  • I. KratochvilovaEmail author
  • A. Zambova
  • J. Mbindyo
  • T. E. Mallouk
  • T. S. Mayer
Original Article

Abstract.

Electric-field-assisted assembly has been used to place rod-shaped metal nanowires containing 4-[[2-nitro-4-(phenylethynyl) phenyl] ethynyl] benzenthiol molecules onto lithographically defined metal pads. These junctions exhibited negative differential resistance. The quantum chemical approach was used to compare the properties of Au-bonded 4-[[2-nitro-4-(phenylethynyl) phenyl] ethynyl] benzenthiol molecule and a molecule that does not exhibit the negative differential resistance, Au-bonded 4-[[4-(phenylethynyl) phenyl] ethynyl] benzenthiol. The influence of the static electric field and charge variation were modelled for both systems.

PACS.

85.35.-p Nanoelectronic devices 73.63.-b Electronic transport in nanoscale materials and structures 31.15.-p Calculations and mathematical techniques in atomic and molecular physics (excluding electron correlation calculations) 

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Copyright information

© EDP Sciences, Società Italiana di Fisica and Springer-Verlag 2005

Authors and Affiliations

  • S. Záliš
    • 1
  • I. Kratochvilova
    • 2
    Email author
  • A. Zambova
    • 3
  • J. Mbindyo
    • 3
  • T. E. Mallouk
    • 3
  • T. S. Mayer
    • 3
  1. 1.J. Heyrovský Institute of Physical ChemistryAcademy of Sciences of the Czech RepublicPraha 8Czech Republic
  2. 2.Institute of PhysicsAcademy of Sciences of the Czech RepublicPraha 8Czech Republic
  3. 3.Department of Electrical Engineering and Department of ChemistryThe Pennsylvania State UniversityUniversity ParkUSA

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