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Vol. 26 No. 7 (2014): Vol 26 Issue 7

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Synthesis and Characterization of FeO/Ni0.5Mn0.5Fe2O4 Nano-Composite

https://doi.org/10.14233/ajchem.2014.16534
N.M. Deraz
Physical Chemistry Department, Laboratory of Surface Chemistry and Catalysis, National Research Center, Dokki, Cairo, Egypt
Omar H. Abd-Elkader
Zoology Department, College of Science, King Saud University, Riyadh 11451, Kingdom of Saudi Arabia ;Electron Microscope and Thin Films Department, National Research Center, El- Behooth Street, 12622, Giza, Egypt

Corresponding Author(s) : N.M. Deraz

nmderaz@yahoo.com

Asian Journal of Chemistry, Vol. 26 No. 7 (2014): Vol 26 Issue 7

Abstract

FeO/Ni0.5Mn0.5Fe2O4 nano-composite was prepared using glycine assisted combustion method. The structure, morphology, chemical composition and magnetization of the as prepared composite was studied using X-ray diffraction, infrared spectroscopy, scanning electron micrographs, energy dispersive X-ray and a vibrating sample magnetometer. The structural parameters such as crystallite size, lattice constant, unit cell volume and theoretical density of the constituents of composite (FeO and Ni0.5Mn0.5Fe2O4) have been determined. X-ray diffraction and infrared measurements confirm formation of both Ni0.5Mn0.5Fe2O4 and FeO phases. SEM technique was used to investigate the morphology characteristics of the investigated solid. It was found that the as synthesized composite consisted of polyhedron, spongy, homogeneous and fragile materials. Also, energy dispersive X-ray technique showed the concentrations of O, Ni, Fe and Mn species involved in the prepared composite specimen from the uppermost surface to the bulk layers indicating to the elements gradient. The saturation magnetization (Ms), remanence magnetization (Mr) and coercivity (Hc) of the as synthesized composite were 71 emu/g, 24 emu/g and 272 Oe, respectively.

Keywords

XRD IR SEM EDX Ni0.5Mn0.5Fe2O4 FeO
Deraz, N., & H. Abd-Elkader, O. (2014). Synthesis and Characterization of FeO/Ni0.5Mn0.5Fe2O4 Nano-Composite. Asian Journal of Chemistry, 26(7), 2141–2146. https://doi.org/10.14233/ajchem.2014.16534
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