Electron-irradiation-induced phase transformation in alumina

C. L. Chen, K. Arakawa, J. G. Lee, H. Mori

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)


    In this study, electron-irradiation-induced phase transformations between alumina polymorphs were investigated by high-resolution transmission electron microscopy. It was found that the electron-irradiation-induced α → κ′ phase transformation occurred in the alumina under 100 keV electron irradiation. It is likely that the knock-on collision between incident electrons and Al3+ cations is responsible for the occurrence of electron-irradiation-induced phase transformation from α-alumina to κ′-alumina.

    Original languageEnglish
    Pages (from-to)1013-1016
    Number of pages4
    JournalScripta Materialia
    Issue number10
    Publication statusPublished - 2010 Nov


    • 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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