Generally the critical behavior is studied to understand the magnetic properties of ferromagnetic materials; using different theoretical models like mean-field, 3D-Heisenberg, 3D-Ising models etc. Can we use these models to study the magnetic properties by determining the critical exponents for a pure ferrimagnetic material?
Daniel Baldomir
If you want to know the critical exponents of ferrimagnetism, the model is the Landau one and for more microscopic scope the best is to employ the one of Néel.
I hope that this can help.
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