Volume 54, Number 5, June 2001
|Page(s)||668 - 674|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 December 2003|
Influence of nanomechanical properties on single-electron tunneling: A vibrating single-electron transistor
Institut für Theoretische Festkörperphysik, Universität
Karlsruhe D-76128 Karlsruhe, Germany
2 Forschungszentrum Karlsruhe, Institut für Nanotechnologie D-76021 Karlsruhe, Germany
Corresponding author: firstname.lastname@example.org
Accepted: 20 March 2001
We describe single-electron tunneling through molecular structures under the influence of nanomechanical excitations. We develop a full quantum-mechanical model, which includes charging effects and dissipation, and apply it to the vibrating C60 single-electron transistor experiment by Park et al. (Nature, 407 (2000) 57). We find good agreement and argue vibrations to be essential to molecular electronic systems. We propose a mechanism to realize negative differential conductance using local bosonic excitations.
PACS: 73.63.-b – Electronic transport in mesoscopic or nanoscale materials and structures / 73.23.Hk – Coulomb blockade; single-electron tunneling / 72.20.Dp – General theory, scattering mechanisms
© EDP Sciences, 2001
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