Class 12 Chemistry The Solid State Ferrimagnetism

Ferrimagnetism

  • Magnetic moments of the domains in the substance are aligned in parallel and anti-parallel directions in unequal numbers.
  • They are weakly attracted by magnetic field as compared to ferromagnetic substances.
  • For example, Fe3O4 (magnetite) and ferrites like MgFe2O4 and ZnFe2O4.
  • These substances also lose ferrimagnetism on heating and become paramagnetic.

Fig. A magnet made of ferrite which is a ferromagnetic substance

 

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