THE EFFECT OF TITANIUM ON SOME PHYSICAL-PROPERTIES OF CUFE2O4

The mixed ferrites Cu1-xTixFe2O4 (where x = 0 to 0.7) are prepared by the ceramic method. X-ray diffraction and IR absorption spectra in the range from 200 to 1000 cm-1 are used for analysing the compositions. It is observed that samples with x less-than-or-equal-to 0.4 exhibit spinel phase, whereas for x > 0.4 mixed phases of spinel and zincblende may be formed. For single phase x less-than-or-equal-to 0.4, the theoretical lattice parameter (a(th)) is in good agreement with the experimental value (a(exp)), which is of the order of 0.833 nm. The presence of Fe2+ ion in the A-site for all samples is realized and the entrance of Ti4+ ion into the A-site just starts at x = 0.4. Some physical properties such as density, porosity, shrinkage, and conductivity at room temperature are studied.