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http://dx.doi.org/10.1016/j.jmmm.2003.08.024

has been cited by the following article:

• TITLE: Structural and Optical Properties of Mg1-x Znx Fe2 O4 Nano-Ferrites Synthesized Using Co-Precipitation Method

  AUTHORS: Abdalrawf I. Ahmed, Mohamed A. Siddig, Abdulmajid A. Mirghni, Mohamed I. Omer, Abdelrahman A. Elbadawi

  KEYWORDS: Co-precipitation Method, Ferrite Nanoparticles, Spinel Structure, XRD

  JOURNAL NAME: Advances in Nanoparticles, Vol.4 No.2, May 8, 2015

  ABSTRACT: In this work, the Mg1-x Znx Fe2 O4 Nanoferrites (where x = 0.0, 0.2, 0.4, 0.6 and 0.8) was synthesized using co-precipitation method. The investigation of structural and optical properties was carried out for the synthesized samples using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Ultraviolet visible spectrophotometer (UV-Vis). XRD revealed that the structure of these nanoparticles is spinel with space group Fd3m and crystallite size lies in the range 21.0 - 42.8 nm. Lattice parameter was found to increases with Zn concentration and this may be due to the larger ionic radius of the Zn2+ion. FTIR spectroscopy confirmed the formation of spinel ferrite and showed the characteristics absorption bands around 612, 1146, 1404, 1649 and 3245 cm-1. The energy band gap was calculated for samples with different ratio and was found to be 4.77, 4.82, 4.86, 4.87 and 4.95 eV. The substitution was resulted in slight increased in the lattice constant and that sequentially may lead to the slightly decreased in the energy gap.