Los puntos clave no están disponibles para este artículo en este momento.
The authors show how the elementary concepts which govern the bulk total energy and crystal structure of sp bonded metals are also relevant at the surface. A simple model explains the observed contraction in the interlayer spacing of the (110) surface layer of aluminium compared with the (100) and (111) surfaces.
Finnis et al. (Fri,) studied this question.