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  Spectroscopic study of metallic magnetism in single-crystalline Nb1-yFe2+y

Rauch, D., Kraken, M., Litterst, F. J., Süllow, S., Luetkens, H., Brando, M., et al. (2015). Spectroscopic study of metallic magnetism in single-crystalline Nb1-yFe2+y. Physical Review B, 91(17): 174404, pp. 1-7. doi:10.1103/PhysRevB.91.174404.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-DC20-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-FFEF-5
Genre: Journal Article

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 Creators:
Rauch, D.1, Author
Kraken, M.1, Author
Litterst, F. J.1, Author
Süllow, S.1, Author
Luetkens, H.1, Author
Brando, M.2, Author              
Förster, T.3, Author              
Sichelschmidt, J.4, Author              
Neubauer, A.1, Author
Pfleiderer, C.1, Author
Duncan, W. J.1, Author
Grosche, F. M.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Manuel Brando, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863469              
3Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
4Jörg Sichelschmidt, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863468              

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 Abstract: We have investigated single crystals and polycrystals from the series Nb1-yFe2+y, -0.004 <= y <= 0.018, by electron spin resonance, muon spin relaxation, and Mossbauer spectroscopy. Our data establish that at lowest temperatures all samples exhibit bulk magnetic order. Slight Fe excess induces low-moment ferromagnetism, consistent with bulk magnetometry, while Nb-rich and stoichiometric NbFe2 display spin density wave order with small magnetic moment amplitudes of order similar to 0.001-0.01 mu(B)/Fe. This provides microscopic evidence for a modulated magnetic state on the border of ferromagnetism in NbFe2.

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Language(s): eng - English
 Dates: 2015-05-062015-05-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 91 (17) Sequence Number: 174404 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008