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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
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Official URL: http://dx.doi.org/10.1103/PhysRevB.85.115137
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 > Physics | ||||
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1098-0121 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| 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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