By adjusting calcination conditions, mixtures of NixZn1-xFe2O4 spinel ferrites and ZnO phase could be formed on calcination of NiZnFe-SO4-LDHs precursors.

• 3.；随着焙烧温度的提高与焙烧时间的延长，NixZn1-xFe2O4尖晶石铁氧体的晶相结构趋于完整，磁性逐渐增强。