Disordering and Melting of Aluminum Surfaces

Per Stoltze; Jens Kehlet Nørskov; U. Landman

doi:10.1103/PhysRevLett.61.440

Disordering and Melting of Aluminum Surfaces

Per Stoltze, Jens Kehlet Nørskov, U. Landman

Georgia Institute of Technology

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Abstract

We report on a molecular-dynamics simulation of an Al(110) surface using the effective-medium theory to describe the interatomic interactions. The surface region is found to start melting ≅200 K below the bulk melting temperature with a gradual increase in the thickness of the disordered layer as the temperature approaches the bulk melting point. The more close-packed Al(111) surface shows a much weaker disordering below the melting temperature.

Original language	English
Journal	Physical Review Letters
Volume	61
Issue number	4
Pages (from-to)	440-443
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.61.440
Publication status	Published - 1988

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Copyright (1988) by the American Physical Society.

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abstract = "We report on a molecular-dynamics simulation of an Al(110) surface using the effective-medium theory to describe the interatomic interactions. The surface region is found to start melting ≅200 K below the bulk melting temperature with a gradual increase in the thickness of the disordered layer as the temperature approaches the bulk melting point. The more close-packed Al(111) surface shows a much weaker disordering below the melting temperature.",

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AU - Nørskov, Jens Kehlet

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AB - We report on a molecular-dynamics simulation of an Al(110) surface using the effective-medium theory to describe the interatomic interactions. The surface region is found to start melting ≅200 K below the bulk melting temperature with a gradual increase in the thickness of the disordered layer as the temperature approaches the bulk melting point. The more close-packed Al(111) surface shows a much weaker disordering below the melting temperature.

U2 - 10.1103/PhysRevLett.61.440

DO - 10.1103/PhysRevLett.61.440

M3 - Journal article

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JO - Physical Review Letters

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Disordering and Melting of Aluminum Surfaces

Abstract

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