Effect of Ga content on the magnetostriction and microstructure of Fe–Ga ribbons

The ribbons with different Ga contents were prepared by the melt-spun method. The maximum magnetostriction of −2100 ppm has been obtained in the ribbons with 17 at% Ga. The microstructures of ribbons were determined by XRD and HRTEM. It was found that DO 3 structure and Ga-rich clusters emerge in th...

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Bibliographic Details
Published in:Journal of alloys and compounds 2007-04, Vol.431 (1), p.42-44
Main Authors: Zhang, M.C., Gao, X.X., Jiang, H.L., Qiao, Y., Zhou, S.Z.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
DO 3 structure
Exact sciences and technology
Fe–Ga ribbons
Ga-rich clusters
Giant magnetostriction
Magnetic properties and materials
Magnetomechanical and magnetoelectric effects, magnetostriction
Physics
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Summary:The ribbons with different Ga contents were prepared by the melt-spun method. The maximum magnetostriction of −2100 ppm has been obtained in the ribbons with 17 at% Ga. The microstructures of ribbons were determined by XRD and HRTEM. It was found that DO 3 structure and Ga-rich clusters emerge in those ribbons of Fe 83Ga 17 with wheel speed of 12 m/s. The Ga-rich clusters and modified DO 3 structure result in a giant magnetostriction of Fe–Ga alloy ribbons.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2006.05.093