Electronic theory of phase stability in substitutional alloys: The generalized perturbation method versus the Connolly-Williams method
- 1 December 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 40 (16) , 11215-11228
- https://doi.org/10.1103/physrevb.40.11215
Abstract
A detailed analysis of the tendencies toward ordering and phase separation, and more generally the stability properties at T≠0 K in substitutional alloys, is carried out using the prescription proposed by Connolly and Williams and the generalized perturbation method. Both methods are examined and contrasted within the framework of a simple but realistic tight-binding model applicable to paramagnetic transition-metal alloys.Keywords
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