Interactions in Magnetic Materials - NFPL153
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Magnetic moment formation. Interaction of magnetic electrons with
crystal field. Hybridization of magnetic states with ligand states.
Exchange interactions. Correlation. Magnetic ordering. Principle
experiments.
Last update: T_KFES (23.05.2003)
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Free ions, intraatomic correlations, spin and orbital moment, total moment. Ions in condensed matter, changes and moment instabilities, connection with electronic structure. Interactions of f- and d-electrons with crystal field, consequences for magnetic moments. Magnetocrystalline anisotropy. Hybridization of states of magnetic electrons with ligand states (hybridization of d-electrons, hybridization of f-electrons). Exchange interactions, types of exchange interactions, origin of magnetic ordering. Bulk experimental methods, direct and indirect. Microscopic experimental methods, interaction of electromagnetic waves and particles with matter. |