3. Fundamentals of condensed matter magnetism
3.1 The origin of condensed matter magnetism
The elementary magnetic moment of an atom results from two contributions from its incomplete electronic layers: the orbital moment, created by the rotation of electrons around the nucleus, in their orbits; and the spin moment, a purely quantum property of electrons. These two moments, coupled by an interaction of relativistic origin, the spin-orbit coupling, form the atomic elementary magnetic moment. The unit of moment is the Bohr magneton B (= 9.274 0 × 10 – 24 A · m 2 ), which...
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Fundamentals of condensed matter magnetism
Origin of coercivity and magnetic hysteresis
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