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Huge magnetostriction of amorphous bulk (Sm, Tb) Fe2-B with low exciting fields

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
124
Identifiers
DOI: 10.1016/0304-8853(93)90077-f

Abstract

Abstract Magnetostriction of amorphous bulk alloys based on Rare Earth-Fe Laves compounds is investigated. We have successfully obtained a huge magnetostriction in amorphous (Sm, Tb)Fe 2-B alloys; significantly large magnetostrictions at low fields, -490 × 10 -6 at 300 Oe for (SmFe 2) 0.992B 0.008 and 600 × 10 -6 at 300 Oe for (TbFe2) 0.980B 0.020, were obtaine d. These huge magnetostrictions at low fields are larger than any reported.

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