Stability of metal vicinal surfaces revisited

The stability of metal vicinal surfaces with respect to faceting is investigated using empirical potentials as well as electronic structure calculations. It is proven that for a wide class of empirical potentials all vicinal surfaces between (100) and (111) are unstable at 0 K when the role of third...

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Bibliographic Details
Published in:Physical review letters 2002-02, Vol.88 (5), p.056104-056104, Article 056104
Main Authors: Desjonquères, M C, Spanjaard, D, Barreteau, C, Raouafi, F
Format: Article
Language:English
Subjects:
Physics
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Summary:The stability of metal vicinal surfaces with respect to faceting is investigated using empirical potentials as well as electronic structure calculations. It is proven that for a wide class of empirical potentials all vicinal surfaces between (100) and (111) are unstable at 0 K when the role of third and farther nearest neighbors is negligible. However, electronic structure calculations reveal that the answer concerning the stability of vicinal surfaces is not so clear-cut. Finally, it is shown that surface vibrations at finite temperatures have little effect on the stability of vicinal surfaces.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.88.056104