Enhanced magnetoelectric effect in La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 multiferroic nanocomposite films with a SrRuO3 buffer layer Structure and properties of epitaxial perovskite Pb(Zr0.52Ti0.48)O3/La0.7Sr0.3MnO3 heterostructures J. Appl. Phys. 111, 07D718 (2012); 10.1063/1.3677866 Effect of oxygen partial pressure on the structural and magnetic properties of Ba (Fe 0.5 Mn 0.5) O 3 − δ epitaxial thin films
The polycrystalline samples of GdFe1−xNixO3 (x = 0.0, 0.1, 0.2, 0.3) orthoferrites are synthesized via solid state reaction route. The Rietveld fitted X-ray diffraction patterns confirm the formation of orthorhombic phase with Pbnm space group for all the samples. The dielectric measurements reveal an enhancement in dielectric constant and tangent loss with increase in both temperature as well as Nickel (Ni) substitution. Dielectric studies are also in support with the induction of delocalized charge carriers in the GdFeO3 matrix with increasing Ni doping. Magnetization versus applied field study shows the non-saturating hysteresis curves suggesting the canted type antiferromagnetic behavior in the considered orthoferrites. Moreover, the observed magnetic behavior is complex and the doping affects the magnitude of magnetization differently at 300 K and 80 K. It has further been noticed that the incorporated Ni3+ ions enhances the symmetry of the magnetization curves. The as-prepared samples may find their applications in the decoupling capacitors.
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