Temperature dependent surface relaxation for Al(110) and Mg(10-10) studied by orbital free ab initio molecular dynamics

Details Temperature dependent surface relaxation for Al(110) and Mg(10-10) studied by orbital free ab initio molecular dynamics Temperature dependent surface relaxation for Al(110) and Mg(10-10) studied by orbital free ab initio molecular dynamics

2006-06-06

arxiv.org/abs/cond-mat/0606130v1

Physics

Condensed Matter

Materials Science

4 pages, 2 figures

Scientific paper

We have performed orbital free ab initio molecular dynamics simulations in order to study the thermal behaviour of two open surfaces of solid metallic systems, namely the (110) face of fcc Al and the (10-10) face of hcp Mg. Our results reproduce qualitatively both the experimental measurements and previous ab initio calculations performed with the more costly Kohn-Sham approach of Density Functional Theory. These calculations can be viewed as a validation test of the orbital free method for semiinfinite surfaces, and the results underpin its reliability.

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