A Novel Low-Temperature Synthesis of Nanosized NiZn Ferrite

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Abstract:

Nanosized NiZn ferrite powder is synthesized by a low-temperature method, using a unique combination of citric acid and glycine. An appropriate molar ratio of both citric acid and glycine offers a low-temperature synthetic route by incorporating the complexation behavior of citric acid and the combustion nature of glycine. Thermal decomposition/controlled autocatalytic combustion of the composite gel occurs at a low temperature of around 175°C, with the evolution of a large amount of gases. Transmission electron microscopic studies showed that the average particle size of the ferrite obtained is ∼2.5 nm, with a narrow size distribution. Uniformly distributed fine-grained microstructure with low porosity is obtained for a sample sintered at 1000°C.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2005.00445.x

Affiliations: Physical and Materials Chemistry Division, National Chemical Laboratory, Pune 411008, India

Publication date: September 1, 2005

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