Application of first-principles methods for the calculation of the crystal and electronic structure of oxynitrides

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    Abstract

    Theoretical simulations using Density Functional Theory (DFT) within ab initio total-energy and molecular-dynamics method have been performed for several oxynitride materials. Examples dealt with are compounds in the Ta-O-N, Si-ON and Al-O-N systems. Random or partially ordered distributions of the oxygen and nitrogen ions as well as other structural defects can be predicated very well by these methods. Local structure relaxation and its influence on the electronic properties are addressed.

    Original languageEnglish
    Title of host publicationProceedings the 7th conference and exhibition of the European Ceramic Society, Brugge, Belgium, September 9 - 13, 2001, seventh ECerS / EURO Ceramics VII. Organized by the Belgian Ceramic Society on behalf of the European Ceramic Society
    Place of PublicationUetikon-Zürich
    PublisherTrans Tech Publications
    Pages1149-1152
    Number of pages4
    DOIs
    Publication statusPublished - 2002
    Event7th Conference and Exhibition of the European Ceramic Society (ECerS 2001), September 9-13, 2001, Brugge, Belgium - Brugge, Belgium
    Duration: 9 Sept 200113 Sept 2001

    Publication series

    NameKey Engineering Materials
    Volume206-213
    ISSN (Print)1013-9826

    Conference

    Conference7th Conference and Exhibition of the European Ceramic Society (ECerS 2001), September 9-13, 2001, Brugge, Belgium
    Abbreviated titleECerS 2001
    Country/TerritoryBelgium
    CityBrugge
    Period9/09/0113/09/01

    Keywords

    • Crystal structure
    • Electronic properties
    • First-principles calculations
    • Oxynitrides

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