Pressure-Driven Commensurate-Incommensurate Transition Low-Temperature Submonolayer Krypton on Graphite

Mourits Nielsen, Jens Aage Als-Nielsen, Jakob Bohr, J. P. McTague

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    By using D2 gas as a source of two-dimensional spreading pressure, we have studied the commensurate-incommensurate (C-I) transition in submonolayer Kr on ZYX graphite at temperatures near 40 K. High-resolution synchrotron x-ray diffraction results show both hysteresis and C-I phase coexistence, clear signatures of a first-order transition. This agrees with theoretical predictions, but apparently gives different behavior from earlier studies at higher temperatures and coverages.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume47
    Issue number8
    Pages (from-to)582-585
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1981

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