Abstract
Spinodal decomposition involves a composition modulation that grows with time which leads to phase separation. Surfaces, grain boundaries, and other defect sites possessing higher energy also assist spinodal decomposition. This work explores the possibility of magnetic domain boundary-assisted spinodal decomposition in a binary magnetic alloy using phase-field simulations. We observe a uniquely aligned microstructure in the early stage of phase separation, as the second phase paramagnetic particles evolve along the magnetic domain boundaries in a ferromagnetic matrix. Moreover, it significantly affects the coarsening dynamics post phase separation similar to that found in recent studies.
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