Table 1 Average crystallite size of the samples with different Co/Sr 2+ molar ratios
Molar ratio (Co/Sr 2+ ) | \( {\boldsymbol{D}}_{\mathbf{SrF}{\mathbf{e}}_{\mathbf{12}}{\mathbf{O}}_{\mathbf{19}}} \) (nm) | \( {\boldsymbol{D}}_{\mathbf{CoF}{\mathbf{e}}_{\mathbf{2}}{\mathbf{O}}_{\mathbf{4}}} \) (nm) |
---|---|---|
8.0 | / | 17 |
5.0 | / | 17 |
3.0 | 26 | 18 |
1.8 | 27 | 18 |
0.8 | 29 | 16 |