Study of structural and magnetic properties of B-rich RE–Fe–B nanocomposite ribbons

In this work, a systematic study of the structural and magnetic properties of B-rich rare earth–Fe–B nanocomposite samples produced by annealing amorphous ribbons was carried out. The crystalline Fe 2B phases t-(Fe, RE) 3B and α-(Fe, RE) precipitated at temperatures above 550 °C. The coercive field...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2004-12, Vol.354 (1), p.209-212
Main Authors: Saccone, F.D., Sirkin, H.
Format: Article
Language:English
Subjects:
B-rich Nd–Fe–B magnets
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of nanostructures
Metastable phases
Nanocomposite magnets
Physics
“Exchange-spring”magnets
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Summary:In this work, a systematic study of the structural and magnetic properties of B-rich rare earth–Fe–B nanocomposite samples produced by annealing amorphous ribbons was carried out. The crystalline Fe 2B phases t-(Fe, RE) 3B and α-(Fe, RE) precipitated at temperatures above 550 °C. The coercive field was found to diminish dramatically, from 1.33 to 0.05 kOe, with the addition of small quantities of Misch-Metal.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2004.09.049