Study of the Reproducibility of Ni-Zn Nanoferrite Obtained by Combustion Reaction

Abstract:

This work involved a study of the reproducibility of the process of combustion synthesis to produce Ni-Zn ferrites. The structural, morphological and magnetic characteristics of the samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and magnetometry using an alternating gradient magnetometer (AGM). The XRD diffractograms of the samples indicated that they are monophasic, crystalline, with crystallite sizes ranging from 21 to 38 nm, and have a homogeneous morphology consisting of agglomerates of spherical particles. The samples behaved as soft magnetic materials, with magnetization levels ranging from 37 to 47 emug^-1. The combustion synthesis was found to be efficient in producing Ni-Zn nanoferrites, yielding reproducible results.

• Periodical: Materials Science Forum (Volumes 775-776)
• Pages: 415-420
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.775-776.415
• Online since: January 2014
• Authors: Débora A. Vieira, Verônica Cristina Souza Diniz, Daniel R. Cornejo, Ana Cristina Figueiredo de Melo Costa, Ruth Herta Goldsmith Aliaga Kiminami
• Keywords: Combustion Reaction, Ni-Zn Nanoferrite, Reproducibility

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