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    Cubic aluminum nitride transformed under reduced pressure using aerosol deposition method

    Access Status
    Fulltext not available
    Authors
    Iwata, A.
    Akedo, J.
    Lebedev, Maxim
    Date
    2005
    Type
    Journal Article
    
    Metadata
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    Citation
    Iwata, Atsushi and Akedo, Jun and Lebedev, Maxim. 2005. Cubic aluminum nitride transformed under reduced pressure using aerosol deposition method. Journal of the American Ceramic Society. 88 (4): pp. 1067-1069.
    Source Title
    Journal of the American Ceramic Society
    DOI
    10.1111/j.1551-2916.2005.00215.x
    ISSN
    0002-7820
    Faculty
    Department of Exploration Geophysics
    Faculty of Science and Engineering
    WA School of Mines
    URI
    http://hdl.handle.net/20.500.11937/22484
    Collection
    • Curtin Research Publications
    Abstract

    Higher thermal conductivity is expected for cubic aluminum nitride that is very difficult to make. Thick aluminum nitride films that have mixed crystal structures of rock salt (cubic) and wurtzite are made at room temperature by aerosol deposition method. The maximum micro-Vickers hardness number is 1200. The primary powder has wurtzite structure, which indicates part of the original crystals is transformed. Only very small crystallites are transformed. The transformation is supposed to occur by shock of the particle impact on the film. The pressure at the impact is estimated to be only 7 GPa.

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