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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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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2479-D Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-ACF3-7
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 Urheber:
Fischer, Julia Erika1, Autor              
Karel, Julie2, Autor              
Fabbrici, Simone3, Autor
Adler, Peter4, Autor              
Ouardi, Siham5, Autor              
Fecher, Gerhard H.6, Autor              
Albertini, Franca3, Autor
Felser, Claudia7, Autor              
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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 Zusammenfassung: 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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Sprache(n): eng - Englisch
 Datum: 2016-07-142016-07-14
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000379649300006
DOI: 10.1103/PhysRevB.94.024418
 Art des Abschluß: -

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Titel: Physical Review B
  Kurztitel : Phys. Rev. B
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Woodbury, NY : American Physical Society
Seiten: - Band / Heft: 94 (2) Artikelnummer: 024418 Start- / Endseite: 1 - 8 Identifikator: ISSN: 1098-0121
CoNE: /journals/resource/954925225008