Publication
Physical Review Letters
Paper

Melting of monolayer xenon on silver: The hexatic phase in the weak-substrate limit

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Abstract

We report the results of a high-resolution synchrotron x-rayscattering study of the melting of Xe monolayers adsorbed on Ag(111). We find that at high temperatures (T>100 K) all features of the melting transition are, within errors, the same as those found for xenon on graphite. Specifically, in both cases the xenon solid melts into a hexatic phase with essentially identical hexatic stiffness. This strongly suggests that the existence of the hexatic phase is a feature of the two-dimensional melting process rather than the adsorbate-substrate interaction. © 1987 The American Physical Society.

Date

12 Oct 1987

Publication

Physical Review Letters

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