1. Quantum origin of magnetism
1.1 Magnetic moment
The magnetism of atoms results from the movement of electrons, which induce an orbital magnetic moment, associated with their revolution around the nucleus, and a spin magnetic moment, associated with their rotation on themselves. . The total magnetic moment is the vector combination of orbital and spin moments. The order of magnitude of the atomic magnetic moment is the Bohr magneton, defined by :
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Quantum origin of magnetism
Ferromagnetism of nanostructures
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