Continuous ferroelastic phase transition of a KBr:KCN mixed crystal

K. Knorr, A. Loidl, Jørgen Kjems

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The ferroelastic phase transition of (KBr)0.27(KCN)0.73 has been studied by X-ray diffraction, ultrasonics, and inelastic neutron scattering. It is the first example of a cubic crystal where the elastic shear constant C 44 softens completely corresponding to the m=2 universality class. C44 and the Bragg intensities show a nonclassical critical behavior
    Original languageEnglish
    JournalPhysical Review Letters
    Volume55
    Issue number22
    Pages (from-to)2445-2448
    ISSN0031-9007
    Publication statusPublished - 1985

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