CoFe2O4 synthesis using NH4OH as precipitating agent calcined at 600°C, some peaks in XRD for hematite are observed. What may be the reason?

I have prepared cobalt ferrite through co-precipitation technique using different alkali as precipitating agent and calcined at 600 °C. But incase of NH4OH , some peaks in XRD for hematite are...

24 September 2021 656 6 View