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. 2023 Jul 24;14:4439. doi: 10.1038/s41467-023-40074-7

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Fig. 3 — a, b Phonon dispersion curves for FeZr₂ (a) and NiZr₂ (b), with the size of the dots corresponding to the magnitude of γ_c; the blue indicates negative γ_c and the red indicates positive γ_c. c Representative phonon modes contribute to the four most negative γ_c at each high-symmetry point (the green dot in (a)) for FeZr₂.