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Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications
11:25

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Published on: April 21, 2016

Surface-sensitive conductance measurements.

Ph Hofmann, J W Wells

    Journal of Physics. Condensed Matter : an Institute of Physics Journal
    |August 6, 2011
    PubMed
    Summary
    This summary is machine-generated.

    This review highlights nanoscale multi-point probe techniques for surface-sensitive electrical conductance measurements. It details results for disputed Si(111)(7 × 7) and Ag-Si(111) systems, alongside other surface conductivity studies.

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    Area of Science:

    • Surface Science
    • Condensed Matter Physics
    • Materials Science

    Background:

    • Accurate surface conductance measurements are crucial for understanding material properties.
    • Nanoscale techniques offer enhanced spatial resolution for surface characterization.
    • Discrepancies in previous studies necessitate detailed re-examination of model systems.

    Purpose of the Study:

    • To review and emphasize surface-sensitive conductance measurement approaches.
    • To analyze disputed results for silicon and silver-silicon model systems.
    • To present recent findings on surface conductivity in various materials.

    Main Methods:

    • Review of established and emerging surface-sensitive conductance measurement techniques.
    • Detailed analysis of nanoscale multi-point probe methodologies.
    • Case studies involving specific semiconductor and semimetal surfaces.

    Main Results:

    • Discussion of results for Si(111)(7 × 7) and ([Formula: see text])Ag-Si(111) systems, addressing previous controversies.
    • Presentation of data on phase transitions in quasi-one-dimensional structures.
    • Characterization of surface sheet conductivity in Bi(111).

    Conclusions:

    • Nanoscale multi-point probe techniques are effective for surface conductance studies.
    • Further investigation is needed to resolve discrepancies in model system results.
    • Surface conductivity plays a significant role in the behavior of diverse materials.