Anisotropy, Magnetostriction and Converse Magnetoelectric Effect in Dy Substituted Ni Ferrite

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Abstract

NiFe2-xDyxO4(x = 0, 0.1) compounds were prepared by solid state reaction. Room temperature X-ray diffraction confirmed the formation of the compounds in cubic inverse spinel phase with the space group Fd3m. Increments in the lattice constant were observed upon partial substitution of Fe3+by Dy3+. While both magnetization and cubic magnetocrystalline anisotropy (K1) decreased with increasing temperature, with Dy3+substitution, at any given temperature the magnetization decreased and K1increased. A quantitative observation of direct magnetoelectric (DME) effect and qualitative observation of converse magnetoelectric (CME) effect in NiFe1.9Dy0.1O4compound, describe its multiferroic nature.

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Majumder, A., Ugendar, K., Anoop Baby, K. B., Chunchu, V., Mondal, R. A., & Markandeyulu, G. (2015). Anisotropy, Magnetostriction and Converse Magnetoelectric Effect in Dy Substituted Ni Ferrite. In Physics Procedia (Vol. 75, pp. 238–244). Elsevier B.V. https://doi.org/10.1016/j.phpro.2015.12.029

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