Direct observation of t 2g orbital ordering in magnetite

Using soft-x-ray diffraction at the site-specific resonances in the Fe L2,3 edge, we find clear evidence for orbital and charge ordering in magnetite below the Verwey transition. The spectra show directly that the (0012) diffraction peak (in cubic notation) is caused by t2g orbital ordering at octah...

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Bibliographic Details
Main Authors: Schlappa, Justina (Author) , Haverkort, Maurits W. (Author)
Format: Article (Journal)
Language:English
Published: 17 January 2008
In: Physical review letters
Year: 2008, Volume: 100, Issue: 2
ISSN:1079-7114
DOI:10.1103/PhysRevLett.100.026406
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.100.026406
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.100.026406
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Author Notes:J. Schlappa, C. Schüßler-Langeheine, C.F. Chang, H. Ott, A. Tanaka, Z. Hu, M.W. Haverkort, E. Schierle, E. Weschke, G. Kaindl, and L.H. Tjeng
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Summary:Using soft-x-ray diffraction at the site-specific resonances in the Fe L2,3 edge, we find clear evidence for orbital and charge ordering in magnetite below the Verwey transition. The spectra show directly that the (0012) diffraction peak (in cubic notation) is caused by t2g orbital ordering at octahedral Fe2+ sites and the (001) by a spatial modulation of the t2g occupation.
Item Description:Der Buchstabe "t" im Titel ist kursiv und Gruppe "2g" ist tiefgestellt
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Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.100.026406