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  Magnetic properties and Curie temperatures of disordered Heusler compounds: Co1+xFe2-xSi

Fischer, J. E., Karel, J., Fabbrici, S., Adler, P., Ouardi, S., Fecher, G. H., et al. (2016). Magnetic properties and Curie temperatures of disordered Heusler compounds: Co1+xFe2-xSi. Physical Review B, 94(2): 024418, pp. 1-8. doi:10.1103/PhysRevB.94.024418.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-2479-D Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-ACF3-7
Genre: Journal Article

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 Creators:
Fischer, Julia Erika1, Author           
Karel, Julie2, Author           
Fabbrici, Simone3, Author
Adler, Peter4, Author           
Ouardi, Siham5, Author           
Fecher, Gerhard H.6, Author           
Albertini, Franca3, Author
Felser, Claudia7, Author           
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Julie Karel, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863434              
3External Organizations, ou_persistent22              
4Peter Adler, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863435              
5Siham Ouardi, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863439              
6Gerhard Fecher, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863431              
7Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The local atomic environments and magnetic properties were investigated for a series of Co1+xFe2-xSi (0 <= x <= 1) Heusler compounds. While the total magnetic moment in these compounds increases with the number of valance electrons, the highest Curie temperature (T-C) in this series was found for Co1.5Fe1.5Si, with a TC of 1069 K (24 K higher than the well-known Co2FeSi). Fe-57 Mossbauer spectroscopy was used to characterize the local atomic order and to estimate the Co and Fe magnetic moments. Consideration of the local magnetic moments and the exchange integrals is necessary to understand the trend in T-C.

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Language(s): eng - English
 Dates: 2016-07-142016-07-14
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000379649300006
DOI: 10.1103/PhysRevB.94.024418
 Degree: -

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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: 94 (2) Sequence Number: 024418 Start / End Page: 1 - 8 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008