Effect of Substitutions of Zn for Mn on Size and Magnetic Properties of Mn–Zn Ferrite Nanoparticles

In this study Mn–Zn ferrite nanoparticles (Mn (1− x ) Zn x Fe 2 O 4 , x =0, 0.3 and 0.5) were produced by a chemical co-precipitation method. The structure and size of the Mn–Zn ferrite nanoparticles were characterized using X-ray diffraction (XRD) and Transmission electron microscopy (TEM). Results...

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Veröffentlicht in:	Journal of superconductivity and novel magnetism 2012-12, Vol.25 (8), p.2763-2765
Hauptverfasser:	Amirabadizadeh, A., Farsi, H., Dehghani, M., Arabi, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Characterization and Evaluation of Materials Condensed Matter Physics Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Domain effects, magnetization curves, and hysteresis Exact sciences and technology Magnetic Materials Magnetic properties and materials Magnetic properties of nanostructures Magnetism Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects Materials science Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Original Paper Physics Physics and Astronomy Strongly Correlated Systems Superconductivity
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Beschreibung
Zusammenfassung:	In this study Mn–Zn ferrite nanoparticles (Mn (1− x ) Zn x Fe 2 O 4 , x =0, 0.3 and 0.5) were produced by a chemical co-precipitation method. The structure and size of the Mn–Zn ferrite nanoparticles were characterized using X-ray diffraction (XRD) and Transmission electron microscopy (TEM). Results show that the ferrite nanoparticles have the spinel structure. It was found that the size of Mn–Zn ferrite nanoparticles decreases by increasing of the Zn concentration. The magnetic properties of Mn–Zn ferrite nanoparticles were investigated with a vibrational sample magnetometer (VSM) and it was observed that Mn 0.7 Zn 0.3 Fe 2 O 3 ferrite nanoparticles have the maximum saturation magnetization and that the initial susceptibility decreases with the increase in Zn concentration.
ISSN:	1557-1939 1557-1947
DOI:	10.1007/s10948-011-1259-5