Synthesis of nanocrystalline Ni-Zn ferrites by combustion method with no postannealing route
Journal
Journal of Applied Physics
Journal Volume
107
Journal Issue
9
Pages
-
Date Issued
2010
Date
2010
Author(s)
Abstract
Nanocrystalline Ni–Zn ferrites were synthesized by a novel combustion route without post annealing process. The sintered ferrites characterized by X-ray diffraction have shown highly pure nanocrystalline phase. Calculated by the Scherrer's formula, the estimated crystallite size is about 26–41 nm and lattice constant of the cubic spinel was 8.353–8.458 Å. The saturated magnetization is in the range of 6–57 emu/g and the corresponded coercivity varies from 26 to 221 Oe. Further, the high frequency electromagnetic properties were investigated by analysis of magnetoimpedance spectra. The novel combustion synthesis without post annealing has implied for practical industrial fabrication of ferrites for electromagnetic applications, inherently interest of energy efficiency and cost effective. © 2010, American Institute of Physics. All rights reserved.
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journal article
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