Magnetic domains what are they?

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SUMMARY

Magnetic domains are regions within ferromagnetic materials where the magnetic moments of atoms are aligned in the same direction. These domains are typically on the order of micrometers, significantly larger than individual atoms, which are about 0.1 nanometers in size. The discussion references the HyperPhysics resource for further details on the structure and behavior of magnetic domains, emphasizing their role in the magnetic properties of materials.

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What are magnetic domains made of? How small are they compared to an atom?
 
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