Investigation of the magnetic properties of SrFe12O19 synthesized by the Pechini and combustion methods

•SrFe12O19 samples were obtained.•The method of preparation was investigated.•The magnetic response was studied.•Structural and magnetic differences are observed. In this work, strontium hexaferrite powders, SrFe12O19, synthesized by the Pechini and combustion methods have been structurally and magn...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2017-09, Vol.438, p.100-106
Main Authors: Ramírez, Alfonso E., Solarte, Norleth J., Singh, L.H., Coaquira, José A.H., Gaona J., Sonia
Format: Article
Language:English
Subjects:
Coercivity
Combustion
Data analysis
Diffraction
Magnetic properties
Magnetic response
Magnetic saturation
Magnetization
Morphology
Pechini
Scanning electron microscopy
Strontium hexaferrite
Structural analysis
Studies
Synthesis
X-ray diffraction
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Summary:•SrFe12O19 samples were obtained.•The method of preparation was investigated.•The magnetic response was studied.•Structural and magnetic differences are observed. In this work, strontium hexaferrite powders, SrFe12O19, synthesized by the Pechini and combustion methods have been structurally and magnetically characterized. Based on structural characterization from X-ray diffraction (XRD) data analysis, it was confirmed that pure material was obtained by both methods when the reaction conditions (calcination temperature, precursors, pHe) were kept constant. However, the morphological characterization based on scanning electron microscopy (SEM) showed differences in the samples obtained by each method. Similarly, magnetic characterization showed discrepancies not only in the magnetic coercivity (Hc), but also in the remanent magnetization (Mr) and saturation magnetization (Ms).
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2017.04.042