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The Effect of Mg2+ Substitution with Li1+ on Structural and Optical Properties of Zn0.5Li2xMg0.5-x Fe2O4 Nanoparticles

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Document pages: 8 pages

Abstract: Nanoferritematerials had been synthesized to produce new alternate substance for reducing therare or high cost of industrial materials. In this work, the Zn0.5Mg0.5-xLi2xFe2O4 nanoferrite (x = 0.00, 0.10, 0.20, 0.30 and 0.40) was prepared byco-precipitation approach. Structural and optical properties were investigatedfor the Zn0.5Mg0.5-xLi2xFe2O4 series by X-ray diffraction(XRD), Fourier transforms infrared (FTIR) andultraviolet-visible (UV-Vis) spectroscopies. The XRD data showed thatall samples of Zn0.5Mg0.5-xLi2xFe2O4 series possess a cubic spinel with a space group (Fd-3m)structure and crystallite size decreased from 116 to 96 nmwith a doping ratio. Lattice parameter founded to increases with Li1+ ratio that result in the larger ionic radius of the Li1+ cation. FTIR result verified the formation of spinelstructure by appearance of the absorption bandsaround 420, 580 cm-1. The energy band gap computed for Zn0.5Mg0.5-xLi2xFe2O4 samples and it founded in the range of 3.28 - 3.12eV.

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