The high-resolution X-ray diffraction profiles observed at room temperature for NZFO ceramics are presenteOd in Fig.1,which reveals that the stucture of the sample has a perfect spinel structure (space group:Fd3m[o]).The structure parameters of Ni Zn FeO wewe refined by Reitveld analysis with Rwp=23.23%and Rp=13.97%,as a=8.388%อังสตรอม similar to the NiFeO and ZnFeO crystal data reported by Bid et al.