Fig. 3 | npj Computational Materials

Fig. 3

From: Temperature-dependent phonon spectra of magnetic random solid solutions

Fig. 3

Temperature dependence of the phonon spectra for the lowest-frequency branch along the \(\left\langle {110} \right\rangle\) direction (in fractional coordinates for the conventional fcc unit cell) calculated using the band unfolding. a Fe0.72Pd0.28. b Fe0.72Pt0.28. Blue, red, and green filled contour lines show the results obtained from the FCs in the ideal FM, in the ideal PM, and at the corresponding temperatures obtained from Eq. (1), respectively. α(T) used to obtain the FCs at the corresponding temperatures are also given in the panels. White circles show the experimental phonon frequencies for Fe0.72Pd0.2815 and Fe0.72Pt0.2862

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