Structural, electric and magnetoelectric properties of Ni 0.85Cu0.15Fe2O4/BiFe 0.7Mn0.3O3 multiferroic nanocomposites

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[1] Ahmed, M.A.
[2] Mansour, S.F.
[3] Afifi, M.
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Ahmed, M.A. (moala47@hotmail.com) | 1600年 / Elsevier Ltd卷 / 578期
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Spinel-perovskite nanocomposites [(1-y) (Ni 0.85Cu 0.15Fe2O4) + y (BiFe0.7Mn 0.3O3); y; 30%; 40%; 50%; 60% and 70% were prepared by mixing the two separately single materials. X-ray diffraction measurements confirm the formation of both phases Ni 0.85Cu0.15Fe 2O4 (NCFO) and BiMn0.3Fe0.7O3 (BFMO). The magnetoelectric coefficient was measured as a function of applied dc magnetic field. Dielectric constant (e0); loss tangent (tand) and ac conductivity (r) were measured as a function of frequency with different temperatures. The e0 and r of Ni 0.85Cu0.15Fe2O4 were improved by introducing BiMn0.3Fe0.7O3. Magnetoelectric nanocomposites may have possible applications in magnetic field sensing probes and linear ME devices. The electric hysteresis loops were obtained in ferrite/BFMO composite; but the loops were not really saturated. © 2013 Elsevier B.V. All rights reserved;
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