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Title: Observation of clusters in Re60Fe30Al10 alloys and the associated magnetic properties
Authors: Kong, H.Z. 
Ding, J. 
Dong, Z.L.
Wang, L.
White, T.
Li, Y. 
Issue Date: 7-Mar-2002
Citation: Kong, H.Z., Ding, J., Dong, Z.L., Wang, L., White, T., Li, Y. (2002-03-07). Observation of clusters in Re60Fe30Al10 alloys and the associated magnetic properties. Journal of Physics D: Applied Physics 35 (5) : 423-429. ScholarBank@NUS Repository.
Abstract: Magnetic properties and microstructure of melt-spun ribbons of RE60Fe30Al10 alloys with RE = Nd, Sm, Dy, 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.
Source Title: Journal of Physics D: Applied Physics
ISSN: 00223727
DOI: 10.1088/0022-3727/35/5/302
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