Ferri magnetic materials and their properties:



1.    It is a special case of antiferromagnetic in which antiparallel moments are of different magnitudes and a large magnetization arises.

2.    Magnitude of susceptibility is very large and positive.

3.    Temperature dependence of susceptibility: At  .

4.    These are composed of two or more sets of different transition metal ions. There are different numbers of ions in each set. Due to that, unlike antiforremagntics. There is a net large magnetization.

5.    These are also called ferrites.








 

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