Influence of Zn/Fe Molar Ratio on Optical and Magnetic Properties of ZnO and ZnFe₂O₄ Nanocrystal as Calcined Products of Layered Double Hydroxides

Table 1

Crystallite size and optical band-gap energy (𝐸_𝑔) for Z1F, Z2F, Z3F and Z4F samples.

Samples	ZnO size^a (nm)	ZnFe2O4 size^a (nm)	𝐸𝑔 of ZnO phase (eV)
Z1F	51.2	10.3	3.188±0.014
Z2F	42.7	20.6	3.196±0.015
Z3F	42.7	20.6	3.187±0.020
Z4F	36.6	20.7	3.198±0.018

aCrystallite size: calculated using Scherrer’s equation.