Abstract
Surface stress effects can sometimes have a profound influence on surface morphology at microscopic and mesoscopic length scales. For example, the presence of coexisting surface phases can lead to the formation of periodic domain structures. These effects emerge on a length scale L 0 which is exponentially related to certain microscopic parameters of the system; typically they are observable in systems for which L 0 is somewhere from a few tens of angstroms to about a micron. The theory of these effects will be reviewed, and applications to Si(100), Au(111), and Cu(110):O systems will be discussed. The similarity between electrostatic and elastic effects at surfaces will be elucidated, and the potential role of work-function variations as an alternate driving force for domain structure formation is discussed.
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