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Related Experiment Video

Updated: Jul 3, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Ultrasonically driven nanomechanical single-electron shuttle.

Daniel R Koenig, Eva M Weig, Jorg P Kotthaus

    Nature Nanotechnology
    |August 8, 2008
    PubMed
    Summary
    This summary is machine-generated.

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    Researchers suppressed unwanted electron co-tunnelling in mechanical single-electron transistors using ultrasonic waves. This breakthrough enables mechanical devices to overcome limitations and potentially outperform conventional electrometers.

    Area of Science:

    • Quantum electronics
    • Nanotechnology
    • Solid-state physics

    Background:

    • Single-electron transistors (SETs) are leading electrometers, crucial for redefining the ampere using fundamental constants.
    • Co-tunnelling, a quantum phenomenon, limits SET performance by allowing electrons to tunnel coherently.
    • Mechanical SETs promise to suppress co-tunnelling but face challenges from electrical excitation methods.

    Discussion:

    • This study introduces ultrasonic waves as an alternative excitation mechanism for mechanical devices.
    • Ultrasonic excitation circumvents the parasitic interactions associated with electrical methods.
    • Demonstration at low temperatures confirms the viability of this novel approach.

    Key Insights:

    • Ultrasonic excitation effectively suppresses unwanted interactions in mechanical single-electron transistors.

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    Published on: January 26, 2019

    High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
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    High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

    Published on: May 12, 2023

    Related Experiment Videos

    Last Updated: Jul 3, 2026

    All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
    11:33

    All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

    Published on: January 19, 2018

    Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins
    08:04

    Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins

    Published on: January 26, 2019

    High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
    08:50

    High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

    Published on: May 12, 2023

  • This method overcomes a key limitation in the development of high-performance mechanical devices.
  • The findings pave the way for mechanical devices surpassing conventional SETs.

    • Outlook:

    • Further development of ultrasonic-driven mechanical devices could lead to superior electrometers.
    • This approach is a significant step towards realizing advanced quantum electronic devices.
    • Potential applications include metrology, quantum computing, and sensitive measurements.