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    Defect properties of albite: a combined empirical potential and density functional theory study

    Access Status
    Fulltext not available
    Authors
    Lowitzer, S.
    Wilson, D.
    Winkler, B.
    Milman, V.
    Gale, Julian
    Date
    2008
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Lowitzer, Stephan and Wilson, Dan J. and Winkler, Bjorn and Milman, Victor and Gale, Julian D. 2008. Defect properties of albite: a combined empirical potential and density functional theory study. Physical and Chemistry of Minerals 35: pp. 129-135.
    Source Title
    Physical and Chemistry of Minerals
    DOI
    10.1007/s00269-007-0204-4
    ISSN
    03421791
    Faculty
    Nanochemistry Research Institute (NRI)
    Faculty of Science and Engineering
    School
    Nanochemistry Research Institute (Research Institute)
    Remarks

    The original publication is available at : www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/21802
    Collection
    • Curtin Research Publications
    Abstract

    Knowledge of the defect properties of Lunar and Mercurian minerals has recently become important, with the advent of models which attempt to explain the formation of the thin exosphere of these celestial bodies. Here, we have calculated the formation energies of sodium and oxygen vacancies in the mineral albite (NaAlSi3O8), as well as the Schottky defect energy for the removal of a Na2O unit. We have employed both the supercell and Mott-Littleton approaches, using Kohn-Sham density functional theory and classical interatomic potential methods. As well as reporting the defect energies and structures, we comment upon the relative merits of the methods used.

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