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Phase coherent electronics: a molecular switch based on quantum interference.

Roi Baer1, Daniel Neuhauser

  • 1Institute for Chemistry, and the Lise Meitner Center for Quantum Chemistry, the Hebrew University of Jerusalem, Jerusalem 91904 Israel. roi.baer@huji.ac.il

Journal of the American Chemical Society
|April 19, 2002
PubMed
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Quantum mechanical interference can control the conductivity of molecular wires. This research explores its use in developing novel coherence-based molecular electronics.

Area of Science:

  • Quantum mechanics
  • Molecular electronics
  • Condensed matter physics

Background:

  • Quantum mechanical interference is a fundamental phenomenon.
  • Ballistic molecular wires offer unique electronic properties.
  • Controlling conductivity at the molecular level is a key challenge in electronics.

Purpose of the Study:

  • To investigate the potential of quantum mechanical interference for controlling molecular wire conductivity.
  • To explore the application of these effects in molecular electronics.

Main Methods:

  • Utilizing a simplified theoretical model.
  • Simulating quantum interference effects in ballistic molecular wires.

Main Results:

Related Experiment Videos

  • Demonstrated plausible control of conductivity via quantum interference.
  • Identified key parameters influencing the interference effects.

    • Conclusions:

    • Quantum mechanical interference offers a viable mechanism for tuning molecular wire conductivity.
    • This principle can be leveraged for the design of advanced coherence-based molecular electronic devices.