XPS investigation of the initial oxidation of epsilon-Fe2N1-x

P.C.J. Graat, Marcel A. J. Somers, E.J. Mittemeijer

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    Abstract

    Upon oxidation of iron nitrides, iron atoms of the nitride are incorporated in the developing oxide and consequently nitrogen atoms become abundant. It has earlier been shown that nitrogen accumulation occurred directly beneath the oxide layer on g’-Fe4N1-z [1] and on e-Fe2N1-x [2]. Further, differences in the initial oxide-growth kinetics of several Fe-N phases at room temperature were established [3]. The present work focuses on the initial oxidation of e-Fe2N1-x at temperatures ranging from 323 K to 573 K. In particular the effect of the surface pretreatment prior to oxidation and the role of nitrogen were investigated with XPS.
    Original languageEnglish
    Title of host publicationECASIA 97
    Place of PublicationChichester
    PublisherWiley
    Publication date1997
    Pages317-320
    Publication statusPublished - 1997
    Event7th European Conference on Applications of Surface and Interface Analysis - Congress Centre, Goteborg, Sweden
    Duration: 16 Jun 199720 Jun 1997
    Conference number: 7

    Conference

    Conference7th European Conference on Applications of Surface and Interface Analysis
    Number7
    LocationCongress Centre
    CountrySweden
    CityGoteborg
    Period16/06/199720/06/1997

    Cite this

    Graat, P. C. J., Somers, M. A. J., & Mittemeijer, E. J. (1997). XPS investigation of the initial oxidation of epsilon-Fe2N1-x. In ECASIA 97 (pp. 317-320). Wiley.