Global phase diagram for binary alloys with one magnetic component

V. Talanquer, C. Varea, A. Robledo

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We describe the global mean-field phase diagram for a binary alloy that contains one magnetic component. We obtain 12 types of system phase diagrams, each of which displays a different interaction of chemical (segregration or ordering) and magnetic (ferromagnetic or antiferromagnetic) long-range order. Our results follow from the known features of the phase diagrams along the symmetric sections of Griffithss three-component (spin-1) model when both uniform and sublattice ordered states are considered. The multiple-phase coexistence and associated multicritical states of the spin-1 model appear in alloy language linked to previously unknown features such as first-order magnetic to paramagnetic transitions within chemically ordered phases, phase segregation among two magnetically ordered states, and first-order field-induced transitions.

Original languageEnglish (US)
Pages (from-to)7030-7038
Number of pages9
JournalPhysical Review B
Issue number10
StatePublished - 1989

ASJC Scopus subject areas

  • Condensed Matter Physics


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