Abstract
The investigation of effective synthesis routes and applications of magnetic nanomaterials are of great importance in recent years. Here in this article, W3+ substituted manganese ferrite (MnFe2−xWxO4) nano particles were prepared via cost effective and a new micro emulsion strategy. The synthesized materials were first characterized by different physicochemical analyzing techniques to study the structural, spectral and magnetic properties in detail. From the XRD investigation, a cubic phase was observed in all samples of Tungsten substituted Manganese ferrites with a very minute secondary phase. Variation in lattice parameters and observed peak shifting in substituted samples directed towards introduction of tungsten ions in the spinel MnFe2O4. The change in band positions (ν1 and ν2) also suggested the incorporation of foreign impurity (W3+) in spinel lattice. From the magnetic measurement investigation, a significant rise in saturation magnetization (Ms) and coercivity (Hc) was observed. In this regard, the excellent properties and the soft magnetic behavior and of this new tungsten substituted manganese ferrite (MnFe2−xWxO4) suggested its effective utilization in sensors, switching, multilayer chip inductor and many advance technological applications.
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