Effect of Cooling Conditions on Nano-Sized NiFe2O4 Electrical Properties

Abstract:

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Nickel ferrite NiFe2O4 nanoparticles have been prepared by sol-gel auto combustion. Two groups of samples were obtained from as-burnt and calcined powders by using various cooling conditions. The X-Ray diffraction (XRD) analyses confirm the single phase spinel structure for all samples. The grain sizes investigated by scanning electron microscopy (SEM) were found within the range of 70-100 nm. DC resistivities for different group of samples are strongly affected by cooling rate, showing the way how to control NiF2O4 electrical properties.

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Periodical:

Edited by:

Arturs Medvids

Pages:

263-266

DOI:

10.4028/www.scientific.net/AMR.222.263

Citation:

A. Sutka et al., "Effect of Cooling Conditions on Nano-Sized NiFe2O4 Electrical Properties", Advanced Materials Research, Vol. 222, pp. 263-266, 2011

Online since:

April 2011

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$35.00

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