Ferrite
Ferrite, is a body-centered cubic (BCC, alpha iron) form of iron. It is this crystalline structure which gives steel and cast iron their magnetic properties, and is the classic example of a ferromagnetic material. (source)
Ferrite, is a body-centered cubic (BCC, alpha iron) form of iron. It is this crystalline structure which gives steel and cast iron their magnetic properties, and is the classic example of a ferromagnetic material. (source)