Ferrimagnetism in Fe-rich NbFe2

TD Haynes, I Maskery, MW Butchers, JA Duffy, JW Taylor, SR Giblin, C Utfeld, J Laverock, SB Dugdale, Y Sakurai, M Itou, C Pfleiderer, M Hirschberger, A Neubauer, W Duncan, FM Grosche

Research output: Contribution to journalArticle (Academic Journal)peer-review

18 Citations (Scopus)


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.
Translated title of the contributionFerrimagnetism in Fe-rich NbFe2
Original languageEnglish
Pages (from-to)115137
Number of pages5
JournalPhysical Review B: Condensed Matter and Materials Physics
Publication statusPublished - Mar 2012

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