Abstract
The composites samples (1-x) (Cu0.6Zn0.4Fe2O4) CZF + x (BaTiO3) BT, where (x = 0%, 10%, 20%, 30%, 40%, 50% 60%, 70%, 80%, 90% and 100%), have been prepared by ball milling. The x-ray diffraction showed that two phases have retained their identity in the composites and no undesired reaction has occurred between two phases. The tetragonality factor (TF) of ferrimagnetic phase increases with BT content up to x = 30% and then decreases at x = 40% but, for higher BT content; TF is nearly constant. The AC resistivity enhances with BT content, showing semiconductor behavior. Furthermore, it is demonstrated that CZF enhances ferroelectricity of BT. In addition, the initial permeability of the samples decreases with BT content and increases with higher selected frequency. It is demonstrated that the magnetoelectric voltage coefficient (ΔE/ΔH) depends strongly on BT content. The maximum ΔE/ΔH of some CZF-BT composites is higher than reported values of other ferrite-BT composites indicating vital role of CZF in developing magnetoelectric effect for ferrite-BT composites.
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