Effect of Copper Oxide on the Structure of Nano-Sized NixZnyFe2O4 Powders Prepared by Using Self-Propagating High Temperature Synthesis

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Abstract:

Nano-sized CuxNixZn1−xyFe2O4 ferrites were prepared by using self-propagating high-temperature synthesis (SHS) and mechanical ball milling. As oxygen pressure increases and copper content decreases in the initial composition, average combustion temperature and combustion velocity increases in the ranges of 947 to 1150 °C and 4.2 to 6.5 mm/sec, respectively. The SHS products were agglomerated crystalline powders in which fine particles were present. The average particle of the pulverized SHS product was about 200 nm. Lattice parameters determined by neutron diffractometry are 8.4125 Å for Ni0.38Zn0.62Fe2O4 and a = 8.3540 Å for Cu0.29Ni0.28Zn0.43Fe2O4.

Keywords: NANO-SIZED CUXNIXZN1-X-YFE2O4 FERRITE; NEUTRON DIFFRACTION; SHS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3205

Publication date: January 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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