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Low temperature combustion synthesis and magnetostructural properties of Co-Mn nanoferrites

Salunkhe, AB and Khot, VM and Phadatare, MR and Thorat, ND and Joshi, RS and Yadav, HM and Pawar, SH (2014) Low temperature combustion synthesis and magnetostructural properties of Co-Mn nanoferrites. In: Journal of Magnetism and Magnetic Materials, 352 . pp. 91-98.

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Official URL: http://dx.doi.org/10.1016/j.jmmm.2013.09.020


In the present work, Co1-xMnxFe2O4 nanoparticles were synthesized by the low-temperature auto-combustion method. The thermal decomposition process was investigated by means of differential and thermal gravimetric analysis (TG-DTA) that showed the precursor yield the final product above 450 degrees C. The phase purity and crystal lattice symmetry were estimated from X-ray diffraction (XRD). Microstructural features observed by scanning electron microscopy (SEM) demonstrates that the fine clustered particles were formed with an increase in average grain size with Mn2+ content. Fourier transform infrared spectroscopy (FTIR) study confirms the formation of spinel ferrite. Room temperature magnetization measurements showed that the magnetization M-s increases from 29 to 60 emu/g and H-c increases from 13 to 28 Oe with increase in Mn2+ content, which implies that these materials may be applicable for magnetic data storage and recording media. (C) 2013 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Publication: Journal of Magnetism and Magnetic Materials
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Combustion Synthesis; Co-Mn Ferrite Nanoparticle; Structural and Magnetic Property
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 20 Jan 2014 08:19
Last Modified: 20 Jan 2014 08:19
URI: http://eprints.iisc.ac.in/id/eprint/48091

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