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57Fe partial DOS curves from NRIXS spectra (lines with error bars) and INS DOS curves (solid circles) at 300 K for the random solid solutions. Curves are offset by multiples of .
57Fe partial DOS curves from NRIXS spectra (top panel) and INS DOS curves (bottom panel) at 300 K for the random solid solution and L12 ordered alloy (curves with no offset). For comparison (curves offset by ), the disordered alloy is compared to the 57Fe DOS of (top panel) and the DOS of Ni from INS (bottom panel).
Scattering as a function of momentum transfer Q from neutron scattering for disordered (dashed line) and ordered (solid line) . Superlattice reflections indicative of chemical ordering are denoted with an “s.” The diamond shows the calculated intensity of the (100) and (110) superlattice reflections for complete ordering.
Phonon entropy at 300 K of NiFe alloys as a function of composition.
Interaction 57Fe phonon density of states curves calculated from the random solid solutions.
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