. 2020 Apr 6;2(5):1939–1948. doi: 10.1039/d0na00156b

Crystallite size, strain, average particle size, lattice parameter, X-ray density, and specific surface area of annealed CoFe₂O₄ nanoparticles at 300 °C, 500 °C, 700 °C and 900 °C.

Sample	Crystallite size (nm) (Sherrer method)	Crystallite size (nm) (W–H method)	Strain	Average particle size (nm)	Lattice parameter (Å)	X-ray density (d_x) g cm⁻²	Specific surface area “S” (m² g⁻¹)
a	8.4	5.9	0.0074	10.1	8.338	5.38	110.41
b	10.6	9	0.0051	13.3	8.341	5.35	84.32
c	17.9	14.2	0.0032	20.4	8.356	5.33	55.18
d	39.5	39	0.0024	40.8	8.376	5.30	27.74

Crystallite size, strain, average particle size, lattice parameter, X-ray density, and specific surface area of annealed CoFe2O4 nanoparticles at 300 °C, 500 °C, 700 °C and 900 °C.