Table 5.

Calculated values of dislocation density (${\rho }_D)$, packing factor (P), and stacking fault coefficient for NFO, MNFO, and ZNFO spinel ferrites.

Samples	Debye-Sherrer		Modified Debye-Sherrer	Williamson-Hall		Size strain lot	SF in (311) peak
	${\rho }_D(1/m^2$)	P	P	${\rho }_D(1/m^2)$	P	P
NFO	18.01 $\times {10}^{14}$	93.59	102.22	– 3.609 $\times {10}^{14}$	94.11	100.14	0.00032
MNFO	13.26 $\times {10}^{14}$	109.128	125.94	− 1.323 $\times {10}^{14}$	121.62	137.44	0.000117
ZNFO	25.01 $\times {10}^{14}$	79.24	87.88	− 16.791 $\times {10}^{14}$	63.58	60.79	0.000929