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[Ferromagnetism]
Ferromagnetism
The basic mechanism by which certain materials (such as iron) are attracted by magnets or form permanent magnets
Ferromagnetism occurs in materials with unpaired spins. Due to the interaction between these spins, the atomic magnetic moments align parallel to each other. This creates permanent magnetic fields around an object made of a ferromagnetic material. We use ferromagnetic materials for permanent magnets and the cores of electromagnets, for example soft iron.
