Bent surface free energy differences from simulation

Details Bent surface free energy differences from simulation Bent surface free energy differences from simulation

2000-11-28

arxiv.org/abs/cond-mat/0011470v1

Surf. Sci. 482-485 (2001) 1331

Physics

Condensed Matter

Materials Science

14 pages, 2 figures, accepted for publication in Surface Science (ECOSS-19)

Scientific paper

10.1016/S0039-6028(01)00709-9

We present a calculation of the change of free energy of a solid surface upon bending of the solid. It is based on extracting the surface stress through a molecular dynamics simulation of a bent slab by using a generalized stress theorem formula, and subsequent integration of the stress with respect to strain as a function of bending curvature. The method is exemplified by obtaining and comparing free energy changes with curvature of various reconstructed Au(001) surfaces.

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