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Observation of clusters in Re60Fe30Al10 alloys and the associated magnetic properties

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Observation of clusters in Re60Fe30Al10 alloys and the associated magnetic properties

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Title: Observation of clusters in Re60Fe30Al10 alloys and the associated magnetic properties
Author: Kong, H. Z.; Ding, Jun; Dong, Zhili; Wang, L.; White, Timothy John; Li, Y.
Copyright year: 2002
Abstract: Magnetic properties and microstructure of melt-spun ribbons of RE60Fe30Al10 alloys with RE = Nd, Sm, Dy, Gd and Y were studied in detail. High coercivity values in the range of MA m−1 were observed at low temperatures for amorphous ribbons. Presence of Fe-rich clusters and nanoscale rare-earth crystallites in the amorphous matrix in the ribbons were revealed by high-resolution transmission electron microscopy studies. The magnetic transition temperatures were estimated experimentally and compared with fitting results based on the cluster ferromagnetism model (Wang L et al 2001 Phys. Rev. B 64 214410). Possible mechanisms for the magnetic behaviour observed due to the presence of Fe-rich magnetic clusters are discussed.
Subject: DRNTU::Engineering::Materials.
Type: Journal Article
Series/ Journal Title: Journal of physics D: applied physics
School: School of Materials Science and Engineering
Rights: © 2002 Institute of Physics Publishing. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Physics D: Applied Physics, Institute of Physics Publishing. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1088/0022-3727/35/5/302 ]
Version: Accepted version

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