Retrieving "Anion Orbital" from the archives

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1. Exchange Interaction

   Linked via "anion's orbitals"

   Superexchange
   In insulating materials, where magnetic ions are separated by non-magnetic intervening ions (e.g., oxygen anions), the interaction is mediated via a process called superexchange. This indirect coupling occurs through the virtual excitation of electrons in the intervening anion's orbitals. For example, in transition metal perovskites, the $d$-[orbitals](/entries/atomic-orbi…