Note 1 – This term is often restricted to such materials having the spinal structure.

Note 2 – In metallurgy and mineralogy, the term ferrite has other meanings

Note 1 – Le terme "ferrite" est souvent limité aux matériaux de structure cristallographique spinelle.

Note 2 – En métallurgie et en minéralogie, le terme "ferrite" (nom féminin) a d'autres significations.