Microstructure and Superparamagnetic Properties of Mg-Ni-Cd Ferrites Nanoparticles

Figure 5

(a) Composition dependence of A-sites radii with the variation of the tetrahedral and (b) composition dependence of B-sites radii with the variation of the octahedral band in the system Mg_xNi_0.6−xCd_0.4Fe₂O₄.

(a)

(b)