Modeling of magnetic and chemical ordering in binary alloys
- 1 August 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 30 (3), 1448-1453
- https://doi.org/10.1103/physrevb.30.1448
Abstract
The equilibrium properties of a model fcc binary alloy with two magnetic components are investigated using the tetrahedron approximation of the cluster-variation method. Temperature-composition phase diagrams are calculated for ordering alloys with both ferromagnetic and antiferromagnetic nearest-neighbor interactions. The interplay between magnetic and chemical long-range order is pronounced, affecting both the equilibrium phase diagram and the magnetic structure of the ordered states. The effect of chemical short-range order on the magnetic transitions is also analyzed.Keywords
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