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    Understanding 2D atomic resolution imaging of the calcite surface in water by frequency modulation atomic force microscopy

    244333.pdf (11.52Mb)
    Access Status
    Open access
    Authors
    Tracey, J.
    Miyazawa, K.
    Spijker, P.
    Miyata, K.
    Reischl, Bernhard
    Federici Canova, F.
    Rohl, Andrew
    Fukuma, T.
    Foster, A.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Tracey, J. and Miyazawa, K. and Spijker, P. and Miyata, K. and Reischl, B. and Federici Canova, F. and Rohl, A. et al. 2016. Understanding 2D atomic resolution imaging of the calcite surface in water by frequency modulation atomic force microscopy. Nanotechnology. 27: Article ID 415709.
    Source Title
    Nanotechnology
    DOI
    10.1088/0957-4484/27/41/415709
    ISSN
    1361-6528
    School
    Nanochemistry Research Institute
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP140101776
    Remarks

    This is an author-created, un-copy edited version of an article accepted for publication in Nanotechnology. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.1088/0957-4484/27/41/415709

    URI
    http://hdl.handle.net/20.500.11937/35741
    Collection
    • Curtin Research Publications
    Abstract

    Frequency modulation atomic force microscopy (FM-AFM) experiments were performed on the calcite (1014) surface in pure water, and a detailed analysis was made of the 2D images at a variety of frequency setpoints. We observed eight different contrast patterns that reproducibly appeared in different experiments and with different measurement parameters. We then performed systematic free energy calculations of the same system using atomistic molecular dynamics to obtain an effective force field for the tip-surface interaction. By using this force field in a virtual AFM simulation we found that each experimental contrast could be reproduced in our simulations by changing the setpoint, regardless of the experimental parameters. This approach offers a generic method for understanding the wide variety of contrast patterns seen on the calcite surface in water, and is generally applicable to AFM imaging in liquids.

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