First-principles calculation of L10-disorder phase diagram in FePt system within the first and second nearest neighbor pair interaction energies
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2009, Calphad: Computer Coupling of Phase Diagrams and ThermochemistryCitation Excerpt :The present authors have been attempting a series of investigations [1–9] of phase equilibria on Fe-based alloy systems, Fe–Ni, Fe–Pd, Fe–Pt and Fe–Pd–Ni, where Ni, Pd and Pt are located at the same VIII-th column of the periodic table.
Deviation of congruent composition in Fe-Pd system
2006, Rare MetalsFirst-principles investigation of L1<inf>0</inf>-disorder phase equilibria of Fe-Ni, -Pd, and -Pt binary alloy systems
2004, Journal of Alloys and CompoundsCitation Excerpt :According to the ground state analysis [8] performed for fcc-based ordered phases within the first and second nearest neighbor pair interaction energies, the ratio of the effective second nearest neighbor pair interaction energy v2,2 to the first nearest neighbor pair interaction energy v2,1 is negative when L10-ordered phase is preferentially stabilized over L11-ordered phase. As shown in Fig. 3(b) and (c) [16] for Fe–Pd and Fe–Pt systems, respectively, the resultant ratio v2,2/v2,1 is negative in the vicinity of 1:1 stoichiometric composition which is estimated from the equilibrium lattice constant of L10 (or L11)-ordered phase for both the systems. More detailed discussions with the resultant transition temperature is provided in Section 3.2.
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