X-ray scattering study of the structure and freezing transition of monolayer xenon on graphite

P. A. Heiney; P. W. Stephens; R. J. Birgeneau; P. M. Horn; D. E. Moncton

doi:10.1103/PhysRevB.28.6416

X-ray scattering study of the structure and freezing transition of monolayer xenon on graphite

P. A. Heiney, P. W. Stephens, R. J. Birgeneau, P. M. Horn, and D. E. Moncton

Phys. Rev. B 28, 6416 – Published 1 December 1983

Abstract

We have performed an extensive x-ray scattering study of the freezing transition of incommensurate xenon physisorbed on graphite as a function of temperature and chemical potential. At a coverage of 1.1 monolayers the transition is continuous to within the substrate-determined resolution, with correlation lengths in the fluid phase exceeding 50 atomic spacings. At coverages less than one monolayer the transition is first order. A comparison is made with current theories of two-dimensional melting.

Received 20 July 1983

DOI:https://doi.org/10.1103/PhysRevB.28.6416

Authors & Affiliations

P. A. Heiney^*, P. W. Stephens^†, and R. J. Birgeneau

Department of Physics and Research Lab of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

P. M. Horn

IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598

D. E. Moncton^‡

Bell Laboratories, Murray Hill, New Jersey 07974

^*Present address: Department of Physics and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, PA 19104.
^†Present address: Department of Physics, State University of New York, Stony Brook, NY 11794.
^‡Present address: Physics Department, Brookhaven National Laboratories, Upton, NY 11973.

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Vol. 28, Iss. 11 — 1 December 1983

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