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Ferrimagnetism in Fe-rich NbFe_{2}

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Haynes, T., Maskery, I., Butchers, M. W., Duffy, J. A., Taylor, J., Giblin, S., Utfeld, C., Laverock, J., Dugdale, S., Sakurai, Y., Itou, M., Pfleiderer, C., Hirschberger, M., Neubauer, A., Duncan, W. and Grosche, F. (2012) Ferrimagnetism in Fe-rich NbFe_{2}. Physical Review B (Condensed Matter and Materials Physics), Vol.85 (No.11). Article no. 115137. doi:10.1103/PhysRevB.85.115137 ISSN 1098-0121.

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Official URL: http://dx.doi.org/10.1103/PhysRevB.85.115137

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Abstract

We report a study of the spin moment in single crystal Nb(1−y)Fe(2+y) with y=0.015 using spin-dependent Compton scattering in conjunction with ab initio electronic structure calculations. From the experiment, we find that the total spin moment is 0.245±0.004μB. Comparison of the measured spin density with theoretical results from linearized muffin-tin orbital calculations determines there to be a ferrimagnetic arrangement of Fe moments, with the 2a Fe site aligned antiparallel to the bulk moment. There is a small moment on the Nb site, also antiparallel to the net moment. The orbital moment has been determined to be 0.02±0.02μB.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title: Physical Review B (Condensed Matter and Materials Physics)
Publisher: American Physical Society
ISSN: 1098-0121
Official Date: 2012
Dates:
DateEvent
2012Published
Volume: Vol.85
Number: No.11
Page Range: Article no. 115137
DOI: 10.1103/PhysRevB.85.115137
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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