Barium ferrite powders prepared by microwave-induced hydrothermal reaction and magnetic property

We have prepared barium ferrite particles by the microwave-induced hydrothermal method. The crystallization of the barium ferrite particles is promoted within a short time by microwave irradiation because the seeds of barium ferrite having large permeability are rapidly heated through the interactio...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2009, Vol.321 (1), p.8-11
Hauptverfasser:	Yamauchi, Tomohisa, Tsukahara, Yasunori, Sakata, Takao, Mori, Hirotaro, Chikata, Tsukasa, Katoh, Shunsaku, Wada, Yuji
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium ferrite Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Hydrothermal Magnetic properties and materials Magnetic properties of nanostructures Magnetic property Materials science Microwave Nanomaterial Nanopowders Nanoscale materials and structures: fabrication and characterization Physics
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Zusammenfassung:	We have prepared barium ferrite particles by the microwave-induced hydrothermal method. The crystallization of the barium ferrite particles is promoted within a short time by microwave irradiation because the seeds of barium ferrite having large permeability are rapidly heated through the interaction of barium ferrite with the magnetic component of the microwaves. Crystals having unusually low thickness were obtained compared with the conventional hydrothermal method. The magnetic properties of barium ferrite particles are discussed.
ISSN:	0304-8853
DOI:	10.1016/j.jmmm.2008.07.005