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  A structural characterisation of the Co2FeZ (Z=Al, Si, Ga, Ge) Heusler compounds by x-ray diffraction and extended x-ray absorption fine structure spectroscopy

Balke, B., Wurmehl, S., Fecher, G. H., Felser, C., Alves, M. C. M., Bernardi, F., et al. (2007). A structural characterisation of the Co2FeZ (Z=Al, Si, Ga, Ge) Heusler compounds by x-ray diffraction and extended x-ray absorption fine structure spectroscopy. Applied Physics Letters, 90(17): 172501, pp. 1-3. doi:10.1063/1.2731314.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-85B3-3 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-85B9-8
Genre: Zeitschriftenartikel

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 Urheber:
Balke, Balke1, Autor
Wurmehl, Sabine1, Autor
Fecher, Gerhard H.1, Autor
Felser, Claudia2, Autor              
Alves, M. C. M.1, Autor
Bernardi, Fabiano1, Autor
Morais, Jonder1, Autor
Affiliations:
1external, escidoc:persistent22              
2External Organizations, escidoc:persistent22              

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 Zusammenfassung: This work reports on the structure of Fe containing, Co2-based Heusler compounds that are suitable for magnetoelectronic applications. The compounds Co2FeZ (where Z=Al, Si, Ga, and Ge) were investigated using the x-ray diffraction(XRD) and extended x-rayabsorption fine structure(EXAFS) techniques. Using XRD, it was shown conclusively that Co2FeAl crystallizes in the B2structure whereas Co2FeSi crystallizes in the L21structure. For compounds containing Ga or Ge, the XRD technique cannot be used to easily distinguish between the two structures. For this reason, the EXAFS technique was used to elucidate the structure of these two compounds. Analysis of the EXAFS data indicated that both compounds crystallize in the L21structure.

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 Datum: 2007-04-23
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1063/1.2731314
 Art des Abschluß: -

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Titel: Applied Physics Letters
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Melville, NY : American Institute of Physics
Seiten: - Band / Heft: 90 (17) Artikelnummer: 172501 Start- / Endseite: 1 - 3 Identifikator: Anderer: 0003-6951
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954922836223