Surface melting and preroughening of argon: An X-ray reflection study
- 10 March 1997
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 37 (8) , 565-570
- https://doi.org/10.1209/epl/i1997-00181-4
Abstract
We present results of an X-ray reflection study of the surface melting of the dense (111) face of a thick argon film on MgO. Our data show evidence of surface melting through a power law divergence of the thickness of the quasi-liquid surface layer at the triple-point temperature. They also give new direct experimental evidence of preroughening and support the view that the onset of surface melting in these systems is the preroughening transition.Keywords
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