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Tactile-Feedback Stabilized Molecular Junctions for the Measurement of Molecular Conductance

Authors

  • Prof. I-Wen Peter Chen,

    1. Department of Applied Science, National Taitung University, Taitung, Taiwan 95002 (Taiwan)
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    • The authors contribute equally to this work.

  • Dr. Wei-Hsiang Tseng,

    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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    • The authors contribute equally to this work.

  • Mong-Wen Gu,

    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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  • Dr. Li-Chen Su,

    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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  • Chan-Hsian Hsu,

    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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  • Wei-Hsuan Chang,

    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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  • Prof. Chun-hsien Chen

    Corresponding author
    1. Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
    • Department of Chemistry and Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan 10617 (Taiwan)
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  • The authors thank NSC (Taiwan) and AOARD for the financial support. Thanks also to Prof. C.-M. Chiang (NSYSU), Dr. H.-B. Li, Dr. C.-T. Kou, F.-R. Tsai, and F.-M. Chen for the manuscript preparation.

Abstract

original image

Finger-Spitzen-Gefühl: Die Bestandsdauer stabiler molekularer Kontakte wurde mithilfe einer Rückkopplungsmethode verlängert, bei der die Kraft einer AFM-Spitze auf der Probenoberfläche erfühlt werden kann (siehe Bild). Die Bewegung der Spitze wird entsprechend abgestimmt, um den Strom i und die Spannung V konsistent zu halten, was mit herkömmlichen Geräten mit konstanter voreingestellter Geschwindigkeit nicht gelingt.

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