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  Probing the random distribution of half-metallic Co2Mn1-xFexSi Heusler alloys

Wurmehl, S., Kohlhepp, J. T., Swagten, H. J. M., Koopmans, B., Wójcik, M., Balke, B., et al. (2007). Probing the random distribution of half-metallic Co2Mn1-xFexSi Heusler alloys. Applied Physics Letters, 91(5): 052506, pp. 1-3. doi:10.1063/1.2760158.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-88DA-8 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-88F8-4
Genre: Journal Article

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 Creators:
Wurmehl, Sabine1, Author
Kohlhepp, Jürgen T.1, Author
Swagten, Henk J. M.1, Author
Koopmans, Bert1, Author
Wójcik, Marek1, Author
Balke, Benjamin1, Author
Blum, Christian G. F.1, Author
Ksenofontov, Vadim1, Author
Fecher, Gerhard H., Author
Felser, Claudia2, Author           
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Co2Mn1-xFexSi Heusler alloys crystallize in the L2(1) structure. This structure type requires random distribution of Mn and Fe in case of the mixed alloys. The spin echo nuclear magnetic resonance (NMR) technique probes the direct local environments of the active atoms and is thus able to resolve next neighboring shells providing a unique tool to verify the random distribution of Mn and Fe in Co2Mn1-xFexSi. Exemplarily, the half-metallic quaternary Heusler alloy Co2Mn0.5Fe0.5Si was investigated by means of NMR. The Mn-55 NMR measurements unambiguously demonstrate the random distribution of Mn and Fe on the 4b Wyckoff position in Co2Mn0.5Fe0.5Si. (c) 2007 American Institute of Physics.

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 Dates: 2007-07-30
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000248595800070
DOI: 10.1063/1.2760158
 Degree: -

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Title: Applied Physics Letters
Source Genre: Journal
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Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 91 (5) Sequence Number: 052506 Start / End Page: 1 - 3 Identifier: Other: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223