Symmetry fingerprints of a benzene single-electron transistor: Interplay between Coulomb interaction and orbital symmetry

Begemann, Georg and Darau, Dana and Donarini, Andrea and Grifoni, Milena (2008) Symmetry fingerprints of a benzene single-electron transistor: Interplay between Coulomb interaction and orbital symmetry. PHYSICAL REVIEW B, 77 (20): 201406. ISSN 1098-0121,

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Abstract

The interplay between Coulomb interaction and orbital symmetry produces specific transport characteristics in molecular single electron transistors (SETs) that can be considered as the fingerprints of the contacted molecule. Specifically we predict, for a benzene SET, selective conductance suppression and the appearance of negative differential conductance when changing the contacts from para to meta configuration. Both effects originate from destructive interference in transport involving states with orbital degeneracy.

Item Type: Article
Uncontrolled Keywords: MOLECULE TRANSISTORS; TRANSPORT; JUNCTIONS; DEPENDENCE;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Depositing User: Dr. Gernot Deinzer
Date Deposited: 03 Nov 2020 14:04
Last Modified: 03 Nov 2020 14:04
URI: https://pred.uni-regensburg.de/id/eprint/30983

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