PMID:18232896
| Citation |
Schlappa, J, Schüssler-Langeheine, C, Chang, CF, Ott, H, Tanaka, A, Hu, Z, Haverkort, MW, Schierle, E, Weschke, E, Kaindl, G and Tjeng, LH (2008) Direct observation of t2g orbital ordering in magnetite. Phys. Rev. Lett. 100:026406 |
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| Abstract |
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 (001/2) 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. |
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