Abstract
Surface segregation in transition-metal binary alloys, belonging to 3d, 4d and 5d series, is studied using a simple tight-binding scheme. Predictions about general segregation trends are made for over 700 alloys in the dilute limit. The predictions agree for a large number of systems that have been studied experimentally. Furthermore, an extension of this theory is made to study segregation behavior in small bimetallic alloy clusters and results are given for the Cu−Ru system.
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