Effect of Pt on the electron-irradiation-induced decomposition of sapphire

C. L. Chen, K. Arakawa, H. Mori

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    The effect of platinum on the electron-irradiation-induced decomposition of sapphire was investigated by in situ transmission electron microscopy. Comparison between the decomposition rates of pure sapphire and Pt-deposited sapphire revealed that the deposition of Pt considerably decreased the decomposition rate of sapphire under electron irradiation. These finds suggest Pt suppresses the interatomic Auger decay that occurs between Al3+ and O2- ions, thereby decreasing the decomposition rate of sapphire.

    Original languageEnglish
    Pages (from-to)355-358
    Number of pages4
    JournalScripta Materialia
    Volume63
    Issue number4
    DOIs
    Publication statusPublished - 2010 Aug

    Keywords

    • Ceramics
    • Electron irradiation
    • Phase transformations
    • Transmission electron microscopy

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys

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