1992•Surface ScienceOpen access

Thermodynamic model for surface reconstruction based on surface stress effects

R. C. Cammarata

Abstract

A thermodynamic model for surface reconstruction based on the effects of surface stress is presented. The energetics associated with the relaxation of a surface layer that is allowed to elastically strain and lose coherence with the bulk are analyzed. A simple criterion for an instability leading to surface reconstruction is developed and compared with experimental observation of surface reconstruction behavior displayed by fcc metals.

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Available abstract

Key concepts: Surface stress, Surface reconstruction, Surface (topology), Instability, Materials science, Surface layer, Stress relaxation, Relaxation (psychology)