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Effect of Zn2+ Substituted on Structural and Magnetic Properties of Manganese Ferrite Synthesized via Combustion Route

Angadi, Jagadeesha V and Rudraswamy, B and Matteppanavar, Shidaling and Angadi, Basavaraj and Vinodini, Naina SE and Sadhana, K and Praveena, K (2016) Effect of Zn2+ Substituted on Structural and Magnetic Properties of Manganese Ferrite Synthesized via Combustion Route. In: 3rd International Conference on Nanotechnology, OCT 14-15, 2014, Pune, INDIA, pp. 790-796.

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Official URL: http://dx.doi.org/10.1166/asl.2016.6952

Abstract

Solution combustion method was successfully used for the synthesis of nanocrystalline Mn1-xZnxFe2O4 with stoichiometry (x = 0, 0.1, 0.3, 0.5, 0.7, 0.9 and 1.0). The room temperature dielectric studies real and imaginary part of permittivity (epsilon' and epsilon `') were undertaken in the vide frequency range 1 MHz to 1 GHz. It was found that the real part of permittivity (epsilon') is increases with increasing in frequency and it shows a resonance behavior above 1 GHz and at much higher frequencies there is a significant decrease in the loss factor (epsilon `'). The magnetic domain relaxation was investigated by inductance spectroscopy (IS) and the observed magnetic domine relaxation frequency (f(r)) was increased with increase of grain size. It was observed that the real and imaginary part of permeability (mu' and mu `'), saturation magnetization (M-s), remnant magnetization (M-r) and magneton number decreases gradually with increasing Zn2+ concentration. The decrease in the saturation magnetization may be explained as the Zn2+ concentration increases, the relative number of ferric ions on the A sites diminishes and this reduces the A-B interaction.

Item Type: Conference Proceedings
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Additional Information: Copy right for this article belongs to the AMER SCIENTIFIC PUBLISHERS, 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 22 Oct 2016 09:29
Last Modified: 22 Oct 2016 09:29
URI: http://eprints.iisc.ernet.in/id/eprint/55036

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