Evaluation the Impact of Annealing on Phase Evolution, Microstructure, and Magnetic Properties of Nanocrystalline Ball-Milled LiSm Ferrite

The impact of milling and subsequent annealing on the phase evolution, microstructure and magnetic properties of Li 0.5 Sm x Fe 2.5− x O 4 ( x = 0, 0.05, 0.1, 0.2) ferrite prepared by mechanical alloying was investigated. X-ray diffraction (XRD), scanning electron microscope, Fourier transform infr...

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Veröffentlicht in:	Journal of electronic materials 2014-09, Vol.43 (9), p.3618-3624
Hauptverfasser:	Mahmoudi, M., Kavanlouei, M., Maleki-Ghaleh, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Annealing Applied sciences Ball milling Characterization and Evaluation of Materials Chemistry and Materials Science Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Electronics and Microelectronics Exact sciences and technology Ferrites Instrumentation Magnetic properties and materials Magnetism Materials Science Materials synthesis materials processing Metals. Metallurgy Nanocrystals Nanoscale materials and structures: fabrication and characterization Nanostructured materials Optical and Electronic Materials Other topics in nanoscale materials and structures Physics Powder metallurgy. Composite materials Production techniques Solid State Physics Technology
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Zusammenfassung:	The impact of milling and subsequent annealing on the phase evolution, microstructure and magnetic properties of Li 0.5 Sm x Fe 2.5− x O 4 ( x = 0, 0.05, 0.1, 0.2) ferrite prepared by mechanical alloying was investigated. X-ray diffraction (XRD), scanning electron microscope, Fourier transform infrared spectroscopy, laser particle size analysis, and vibrating sample magnetometry were employed to characterize the prepared LiSm compound. The structure was evaluated by XRD, confirmed the formation of its single-phase spinel structure. The magnetic properties of the milled nanostructured powder were extensively affected by the annealing temperature. The substitution of samarium significantly influences the magnetic characteristics, proved by magnetization measurements at room temperature.
ISSN:	0361-5235 1543-186X
DOI:	10.1007/s11664-014-3251-x