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Combustion Synthesis and Properties of Fine Particle Spinel Manganites

Dhas, Arul N and Patil, KC (1993) Combustion Synthesis and Properties of Fine Particle Spinel Manganites. In: Journal of Solid State Chemistry, 102 (2). pp. 440-445.

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Official URL: http://dx.doi.org/10.1006/jssc.1993.1056

Abstract

Fine particle spinel manganites have been prepared by thermal decomposition of the precursors N2H5M1/3Mn2/3(N2H3COO)3 · H2O (M = Co and Ni) and M1/3 Mn2/3(N2H3COO)2 · 2H2O (M = Mg and Zn), as well as by the combustion of redox mixtures containing M(II) nitrate (M = Mg, Co, Ni, Cu, and Zn), Mn(II) nitrate, and maleic hydrazide (MH) in the required molar ratio. Both the precursor and redox mixtures undergo self-propagating, gas-producing, exothermic reactions once ignited at 250-375°C to yield corresponding manganites in less than 5 min. Formation of single phase products was confirmed by X-ray powder diffraction patterns. The manganites are of submicrometer size and have surface area in the range 20-76 m2/g.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 02 Feb 2011 10:22
Last Modified: 02 Feb 2011 10:22
URI: http://eprints.iisc.ernet.in/id/eprint/35368

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