Space group determination of decagonal quasicrystals of an al7oniisfei5 alloy using convergent-beam electron diffraction

Masakazu Saito, Michiyoshi Tanaka, An Pang Tsai, Akihisa Inoue, Tsuyoshi Masumoto

    Research output: Contribution to journalArticlepeer-review

    50 Citations (Scopus)

    Abstract

    Clear space group determination of a decagonal quasicrystal has been performed for the first time by convergent-beam electron diffraction (CBED) about Al70Ni15Fe15. The space group of the alloy has been revealed to be noncentrosym- metric P10ra2. The alloy is the first quasicrystal to belong to a noncentrosymmetric space group, and has been found to have a lattice period of 0.4 nm in the direction of the decagonal axis, and to accompany structural modulation waves.

    Original languageEnglish
    Pages (from-to)109-112
    Number of pages4
    JournalJapanese journal of applied physics
    Volume31
    Issue number2
    DOIs
    Publication statusPublished - 1992 Feb

    Keywords

    • Aluminum-nickel-iron
    • Convergent-beam electron diffraction
    • Decagonal phase
    • Quasicrystal
    • Space group

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

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