Journal
SCRIPTA MATERIALIA
Volume 56, Issue 9, Pages 797-800Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2006.09.033
Keywords
nickel ferrite; nanoparticles; magnetic properties; synthesis; electron microscopy
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NiFe2O4 nanoparticles were synthesized by a simple and cost-effective method using Ni and Fe nitrates and freshly extracted egg white (ovalbumin) in an aqueous medium. The X-ray diffraction and selected-area electron diffraction results indicated that the synthesized nanoparticles have only the inverse spinel structure without the presence of any other phase impurities. Room temperature magnetization results showed a ferromagnetic behavior of the NiFe2O4 nanoparticles, with saturation-specific magnetization values in the range of 26.4-42.5 emu/g at 10 kOe. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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