Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0304-8853(00)00703-4
Title: Magnetic and Moessbauer study of melt-spun Nd60Fe30Al10
Authors: Wang, L.
Ding, J. 
Li, Y. 
Feng, Y.P. 
Wang, X.Z. 
Phuc, N.X.
Dan, N.H.
Issue Date: Mar-2001
Source: Wang, L., Ding, J., Li, Y., Feng, Y.P., Wang, X.Z., Phuc, N.X., Dan, N.H. (2001-03). Magnetic and Moessbauer study of melt-spun Nd60Fe30Al10. Journal of Magnetism and Magnetic Materials 224 (2) : 143-152. ScholarBank@NUS Repository. https://doi.org/10.1016/S0304-8853(00)00703-4
Abstract: Nd60Fe30Al10 alloys were rapidly quenched by the melt-spinning technique with different wheel surface speeds ranging from 5 to 30 m/s. The microstructure and the magnetic properties were strongly dependent on the quenching rate. A high quenching rate led to an amorphous structure with a low coercivity at room temperature, while a mixture of amorphous and crystalline phases was found after melt-spinning at 5 m/s, which exhibited hard magnetic properties at room temperature. For both the ribbons melt-spun at 5 and 30 m/s respectively, coercivity increased with decreasing temperature and reached a maximum at around 50 K. Maximum magnetization at 10 T increased dramatically at low temperature. Our magnetic study has shown that the presence of crystalline Nd was responsible for the increase of magnetization and the decrease of coercivity, as Nd became magnetically ordered at low temperatures. The Moessbauer study has shown that the magnetic microstructures of melt-spun ribbons were not uniform, as the spectra needed to be fitted by magnetic and non-magnetic components.
Source Title: Journal of Magnetism and Magnetic Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/97119
ISSN: 03048853
DOI: 10.1016/S0304-8853(00)00703-4
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