Characteristic
Barium ferrite, abbreviated BaFe, BaM, is the chemical compound with the formula BaFe12O19.
Barium ferrite is a highly magnetic material, has a high packing density,and is a metal oxide.
Chemical formula: BaFe12O19
Molar mass:1111.448 g·mol−1
Appearance:black solid
Density:5.28 g/cm3
Melting point:1,316 °C (2,401 °F; 1,589 K)
Solubility in water:insoluble
Application
This and related ferrite materials are components in magnetic stripe cards and loudspeaker magnets. BaFe is described as Ba2+(Fe3+)12(O2−)19. The Fe3+ centers are ferromagnetically coupled.This area of technology is usually considered to be an application of the related fields of materials science and solid state chemistry.