Abstract
In the present work the Magnesium-zinc ferrite chain ( Mg1-xZnxFe2O4) with x=0-1,were synthesized using sol-gel auto combustion as a modern chemical methods .Nitrates, citric acid and ammonia were used in order to get ferrite nano powders at temperature 2200C , which characterized a higher dispersion and homogeneity with particle size in the range of (27.47-68.9) nm. The obtained ferrite nano powder calcined at temperature 5000C for a period three hours .
 Samples examined by Fourier transform infrared spectroscopy (FTIR) and Scanning electron microscopy (SEM). From FTIR spectral analysis the structure of the spinel ferrites shows two absorption bands, , due to vibration of octahedral and tetrahedral metal oxygen bonds. SEM results show the presence of uniformly distributed and almost spherical shaped particles
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