Fig. 3

Formation energy difference between a) two-SIA clusters (\(I_2\)) and b) \(\textit{n}\)-SIA clusters (\(I_n\)) in C15 and \(\langle 110\rangle\)-dumbbell configurations as a function of Cr content.

Formation energy difference between a) two-SIA clusters (\(I_2\)) and b) \(\textit{n}\)-SIA clusters (\(I_n\)) in C15 and \(\langle 110\rangle\)-dumbbell configurations as a function of Cr content.