Effect of Cooling Conditions on Nano-Sized NiFe2O4 Electrical Properties
Advanced Materials Research
2011
Andris Šutka,
Gundars Mežinskis,
Santa Lagzdiņa,
Gatis Bebris
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.
Keywords
Nickel ferrite, conduction mechanism, electric properties, nano-structure
DOI
10.4028/www.scientific.net/AMR.222.263
Šutka, A., Mežinskis, G., Lagzdiņa, S., Bebris, G. Effect of Cooling Conditions on Nano-Sized NiFe2O4 Electrical Properties. Advanced Materials Research, 2011, Vol.222, pp.263-266. ISSN 1022-6680. Available from: doi:10.4028/www.scientific.net/AMR.222.263
Publication language
English (en)