Fig. 5: Superexchange interactions in CoFe2O4 crystal.
From: Machine learning enabled accurate prediction of structural and magnetic properties of cobalt ferrite
Illustration of a A-A, b A-B, c B-B types of superexchange interactions. d DFT-calculated energies of non-ground spin configurations as compared to linear regression predicted energies. e Average energy changes to reverse the spin direction of a cation from the ground state spin configuration of spinel CoFe2O4 with a degree of inversion of 0.75.
