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Experimental Observation of Continuous Melting into a Hexatic Phase

Rosenbaum, T. F. and Nagler, S. E. and Horn, P. M. and Clarke, Roy (1983) Experimental Observation of Continuous Melting into a Hexatic Phase. Physical Review Letters, 50 (22). pp. 1791-1794. ISSN 0031-9007. doi:10.1103/PhysRevLett.50.1791.

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This paper reports the results of an x-ray diffuse scattering study of the melting transition of monolayer xenon on the surface of single crystals of exfoliated graphite. It is found that the two-dimensional xenon solid melts into an orientationally ordered liquid (or hexatic) phase. The temperature dependence of the orientational correlations suggests that the hexatic phase exists as a consequence of the continuous melting process, not the substrate.

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Additional Information:© 1983 The American Physical Society. Received 6 April 1983. It is a pleasure to thank R. J. Birgeneau, P. Dimon, D. B. Nelson, and D. M. Sutton for numerous helpful discussions and H. Homma for help with sample preparation. Special thanks are due to G. Grinstein for numerous corrections, discussions, and helpful comments. One of us (S.E.N.) was supported by a Natural Sciences and Engineering Research Council of Canada Postdoctoral Fellowship and the work was supported in part by the National Science Foundation Low Temperature Physics Grant No. DMR-8207449.
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Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Issue or Number:22
Classification Code:PACS numbers: 64.70.Dv, 05.70.Fh, 64.60.-i
Record Number:CaltechAUTHORS:20140707-163041823
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47050
Deposited By: George Porter
Deposited On:09 Jul 2014 22:25
Last Modified:10 Nov 2021 17:33

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