Sources of Magnetic Anisotropy
There are several sources of magnetic anisotropy:
- Magnetocrystalline anisotropy: the atomic structure of a crystal introduces preferential directions for the magnetisation.
- Shape anisotropy: when a particle is not perfectly spherical, the demagnetizing field will not be equal for all directions, creating one or more easy axes.
- Magnetoelastic anisotropy: tension may alter magnetic behaviour, leading to magnetic anisotropy.
- Exchange anisotropy: a relatively new type that occurs when antiferromagnetic and ferromagnetic materials interact.
Read more about this topic: Magnetic Anisotropy
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