Synthesis and Characterization of Magnesium Ferrite Materials | ||
| Engineering and Technology Journal | ||
| Article 13, Volume 32, 5B, May 2014, Pages 980-989 PDF (436.03 K) | ||
| DOI: 10.30684/etj.32.5B.14 | ||
| Authors | ||
| Sabah Mohammed Ali Ridha; Ghead Khalaf Salman | ||
| Abstract | ||
| NiZnMg-Ferrite Nano ceramics were prepared by using sol-gel auto combustion method, these ferrites then pelletized and sintered at different temperatures (1000, 1100 and 1200 0C). Ferrite samples showed spinel structure and inherent properties of high electrical resistivity, low electrical losses and high theoretical densities. Therefore, these ferrites have a potential candidate for high frequency applications. The electrical and structural properties of Ni0.7-yZn0.3MgyFe2O4 (where; y= 0, 0.1, 0.2 and 0.3) were studied and that shows an effect of chemical composition on the electrical, structural, and physical properties depending on Mg content in the Ferrite. Chemical phase analysis carried out by x-ray diffraction spectrum confirms the formation of ferrite Nanopowders with size (22.6 nm), and found that the lattice parameters and particle sizes increase, while theoretical density and porosity decreases with increasing of Mg content in the NiZnMg Ferrites. Resistivity of all samples has been measured at temperatures in the range of (300-540 K), which decreases with increasing of temperatures like a semiconductor behavior. | ||
| Keywords | ||
| Ferrites; Nano; Magnetic Materials; sol; Gel Methods | ||
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