Controlling quantum transport through a single molecule

Research output: Contribution to journalArticle

200 Citations (Scopus)

Abstract

We investigate multiterminal quantum transport through single monocyclic aromatic annulene molecules, and their derivatives, using the nonequilibrium Green function approach within the self-consistent Hartree-Fock approximation. We propose a new device concept, the quantum interference effect transistor, that exploits perfect destructive interference stemming from molecular symmetry and controls current flow by introducing decoherence and/or elastic scattering that break the symmetry. This approach overcomes the fundamental problems of power dissipation and environmental sensitivity that beset nanoscale device proposals.

Original languageEnglish (US)
Pages (from-to)2422-2426
Number of pages5
JournalNano Letters
Volume6
Issue number11
DOIs
StatePublished - Nov 2006

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Hartree approximation
Elastic scattering
Electric current control
Green's function
Energy dissipation
Transistors
Derivatives
interference
Molecules
symmetry
proposals
molecules
elastic scattering
transistors
Green's functions
dissipation
sensitivity

ASJC Scopus subject areas

  • Materials Science(all)
  • Electronic, Optical and Magnetic Materials
  • Chemistry (miscellaneous)

Cite this

Controlling quantum transport through a single molecule. / Cardamone, David M.; Stafford, Charles A; Mazumdar, Sumitendra.

In: Nano Letters, Vol. 6, No. 11, 11.2006, p. 2422-2426.

Research output: Contribution to journalArticle

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