Pre-melting in fcc structure with relaxation |
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Authors: | T Gwizdałła J Czerbniak |
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Institution: | (1) Solid State Physics Dept., University of łódź, Pomorska 149/153, 90-236 Łódź, Poland |
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Abstract: | We study the effect of melting of a well-defined crystal surface within the framework of the theory of atomic vibrations in
harmonic approximation. We find that for the face centered cubic lattice we may expect the existence of pre-melting. It is
also shown that the occurrence or absence of surface melting depends strongly on the relaxation of a lattice constant.
This paper is financially supported by the State Committee for Research grant (KBN grant 2 0294 91 01/92–94). |
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