Abstract
It is well known that the atomic force field at the surface can substantially deviate from that in the bulk, as established by the observation of changes in the interlayer spacing — “relaxation” — and even rearrangements in the two-dimensional structure parallel to the surface — “reconstruction” -. Various attempts have been undertaken to elucidate the forces responsible for these rearrangements at the selvedge of a crystal. An intuitive simple model is the point ion model of Finnis and Heine [1] based on the electron smoothing concept of Smoluchowsky and is exemplified in fig. 1. The electrons have the tendency to spill over the surface in order to create a geometrically smooth surface and thus lowering their kinetic energy.
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© 1993 Springer-Verlag Berlin Heidelberg
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Kern, K. (1993). Restructuring at Surfaces. In: Howe, R.F., Lamb, R.N., Wandelt, K. (eds) Surface Science. Springer Proceedings in Physics, vol 73. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84933-6_7
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DOI: https://doi.org/10.1007/978-3-642-84933-6_7
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