Retrieving "Double Exchange" from the archives

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1. Hunds Rule

   Linked via "double exchange mechanism"

   In solid-state physics, particularly in magnetic materials, the concept of the exchange interaction is extended. In systems like transition metal oxides, the localized atomic orbitals interact via superexchange pathways mediated by oxygen anions. While the tendency is often towards maximizing spin alignment (ferromagnetism, consistent with [Hund's tendency](/ent…