fig4

Figure 4. The distribution of substitution energies (in eV/cell) in different datasets. Solid curves are for alloys of: blue - Nb, red - Nb_I-Nb₅Si₃, green - Nb_II-Nb₅Si₃, black - Si_I-Nb₅Si₃, magenta - Si_II-Nb₅Si₃. Black circles are for the combined dataset.