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  Direct Observation of t2g Orbital Ordering in Magnetite

Schlappa, J., Schüßler-Langeheine, C., Chang, C. F., Ott, H., Tanaka, A., Hu, Z., et al. (2008). Direct Observation of t2g Orbital Ordering in Magnetite. Physical Review Letters, 100(2): 026406, pp. 1-4. doi:10.1103/PhysRevLett.100.026406.

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 Creators:
Schlappa, J.1, Author
Schüßler-Langeheine, C.1, Author
Chang, C. F.1, Author
Ott, H.1, Author
Tanaka, A.1, Author
Hu, Z.1, Author
Haverkort, M. W.1, Author
Schierle, E.1, Author
Weschke, E.1, Author
Kaindl, G.1, Author
Tjeng, L. H.2, Author           
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Using soft-x-ray diffraction at the site-specific resonances in the Fe L(2,3) edge, we find clear evidence for orbital and charge ordering in magnetite below the Verwey transition. The spectra show directly that the (001/2) diffraction peak (in cubic notation) is caused by t(2g) orbital ordering at octahedral Fe(2+) sites and the (001) by a spatial modulation of the t(2g) occupation.

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 Dates: 2008-01-17
 Publication Status: Issued
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 100 (2) Sequence Number: 026406 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1