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Table 1 Average crystallite size of the samples with different Co/Sr 2+ molar ratios

From: A novel method to fabricate CoFe2O4/SrFe12O19 composite ferrite nanofibers with enhanced exchange coupling effect

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