Table 1:
The Values of Ionic Radius (r), Porosity (P %) and Grain Size (G.S) for Cu-Zn Ferrites Substituted with Rare Earth Ions
R
r (Ǻ)
Porosity (P %)
G.S. (µm) ± 0.05 µm
La
1.15
12.33
1.45
Nd
1.08
11.33
2.21
Sm
1.04
9.945
3.46
Gd
1.02
10.895
6.21