Abstract
Ferrites with the general formula Mg1+xMn x Fe2−2xO4(where x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 and 0.9) were prepared by the standard ceramic technique and studied by means of X-ray diffraction, magnetization, a.c. susceptibility and dielectric constant measurements. The X-ray analysis confirmed the single-phase formation of the samples. The lattice parameter is found to increase up to x = 0.3 and thereafter it decreases as x increases. The cation distribution has been studied by X-ray analysis and magnetization. Magnetization results exhibit collinear ferrimagnetic structure for x ≤ 0.3 and thereafter structure changes into non-collinear for x > 0.3. Curie temperature (TC) obtained from a.c. susceptibility data decreases with increasing x. The dielectric constant (ε′), loss tangent (tan δ) show strong frequency dependence.
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Pandit, A.A., Shitre, A.R., Shengule, D.R. et al. Magnetic and dielectric properties of Mg1+x Mn x , Fe2−2x, O4 ferrite system. J Mater Sci 40, 423–428 (2005). https://doi.org/10.1007/s10853-005-6099-x
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DOI: https://doi.org/10.1007/s10853-005-6099-x