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dc.contributor.authorMahmoud, Mohamed H.
dc.contributor.authorElshahawy, A. M.
dc.contributor.authorMakhlouf, Salah A.
dc.contributor.authorHamdeh, Hussein H.
dc.identifier.citationMahmoud, Mohamed H.; Elshahawy, A. M.; Makhlouf, Salah A.; Hamdeh, Hussein H. 2013. Mossbauer and magnetization studies of nickel ferrite nanoparticles synthesized by the microwave-combustion method. Journal of Magnetism and Magnetic Materials, v.343:pp.21–26en_US
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractNanocrystalline nickel ferrite was synthesized from its stoichiometric metal nitrates and urea mixtures, using a microwave assisted combustion method. The process was a convenient, inexpensive and an efficient method for formation of NiFe2O4 nanomaterials. Effect of urea/metal nitrates ratio on the obtained phases, particle size and magnetic properties has been investigated by various techniques. Saturation magnetization of 50 emu/g was observed at room temperature for larger particles, and it decreases with decreasing particle size. The coercivity attains a maximum value of 170 Oe when the particle size was similar to 20 nm, and decreases with increasing particle size. Mossbauer spectra measured at RT for some representative samples show a combination of ordered and superparamagnetic behavior, whereas those collected at 20 K elucidate the nature of the obtained phases and cation distribution. (C) 2013 Elsevier B.V. All rights reserved.en_US
dc.relation.ispartofseriesJournal of Magnetism and Magnetic Materials;v.343
dc.subjectCombustion methoden_US
dc.subjectNickel ferriteen_US
dc.subjectMagnetic propertyen_US
dc.subjectMossbauer spectroscopyen_US
dc.titleMossbauer and magnetization studies of nickel ferrite nanoparticles synthesized by the microwave-combustion methoden_US
dc.description.versionPeer reviewed
dc.rights.holderCopyright © 2013, Elsevier

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