Review Article

Electronic Structure of Strongly Correlated Systems

Figure 12

Sketch of the spatial arrangement of exchange interaction parameters between the octahedral F e šµ sites [155]. Orbitals approximate the occupied 3 š‘‘ minority orbitals of F e šµ 2 + cations. F e šµ 3 + cations are shown by large (blue) spheres. Oxygen atoms are shown by small (green) spheres. Ferromagnetic couplings between F e šµ cations are shown by the thick (red) lines, whereas antiferromagnetic exchanges depicted by the thin (blue) lines.
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