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Title: A structural, magnetic and mössbauer investigation on melt-spun Nd0.33(Fe0.75Al0.25)0.67 ribbons
Authors: Si, L. 
Ding, J. 
Li, Y. 
Wang, L.
Wang, X.Z. 
Issue Date: 20-Dec-1999
Citation: Si, L., Ding, J., Li, Y., Wang, L., Wang, X.Z. (1999-12-20). A structural, magnetic and mössbauer investigation on melt-spun Nd0.33(Fe0.75Al0.25)0.67 ribbons. Journal of Physics Condensed Matter 11 (50) : 10557-10566. ScholarBank@NUS Repository.
Abstract: A tetragonal phase with a = 9.778 Å and c = 11.516 Å is formed in the Nd0.33(Fe0.75Al0.25)0.67 alloy after melt spinning and short period annealing at 873 K. The tetragonal phase is probably metastable and transforms slowly into the stable δ-Nd3Fe7-xAlx phase during heat treatment at 873 K. This phase is antiferromagnetic with a Néel temperature of 260 ± 5 K. Metamagnetism is observed at a temperature of 140 K or below. The magnetic properties have been characterized using a vibrating sample magnetometer and Mössbauer spectroscopy. Magneto-resistivity of up to 7.2% is accompanied by metamagnetism. At room temperature, 1% of the magneto-resistivity is measured in the paramagnetic state.
Source Title: Journal of Physics Condensed Matter
ISSN: 09538984
DOI: 10.1088/0953-8984/11/50/341
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