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Physical Review Letters
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Synchrotron X-ray study of the commensurate-incommensurate transition of monolayer krypton on graphite

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Abstract

We report a high-resolution synchrotron x-ray scattering study of the commensurateto-incommensurate transition of monolayer krypton physisorbed on ZYX graphite. At the transition the substrate-limited coherence of the commensurate monolayer (2300 ) deteriorates to less than 100 , demonstrating that atomic positional disorder is a dominant feature of the weakly incommensurate system. The peak position follows a 13 power law versus reduced temperature. © 1981 The American Physical Society.

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Physical Review Letters

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