Table 1.

The lattice constant a (Å), crystallite size R (nm), strain, dislocation density $\delta$ (nm⁻²), x-ray density D_XRD (g/cm³), measured density $D_m$ (g/cm³), porosity P and bond lengths (Å) between cations and anions in tetrahedral (A) and octahedral (B) sites of MgFe₂O₄.

a (Å)	R (nm)	$\epsilon$	$\delta$ (nm-2)	DXRD (g/cm3)	$D_m$ (g/cm3)
8.3826	35.55	1.3 × 10−3	7.9 × 10−4	4.51	2.14
P (%)	LA-A (Å)	LA-B (Å)	LB-B (Å)	LA-O (Å)	LB-O (Å)
53	3.6298	3.4752	2.9637	1.6472	3.7975