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Resonant X-ray diffraction studies on the charge ordering in magnetite | | E. Nazarenko
; J.E. Lorenzo
; Y. Joly
; J.L. Hodeau
; D. Mannix
; C. Marin
; | | Date: |
23 Jun 2006 | | Subject: | Strongly Correlated Electrons | | Abstract: | Here we show that the low temperature phase of magnetite is associated with an effective, although fractional, ordering of the charge. Evidence and a quantitative evaluation of the atomic charges are achieved by using resonant x-ray diffraction (RXD) experiments whose results are further analyzed with the help of ab initio calculations of the scattering factors involved. By confirming the results obtained from X-ray crystallography we have shown that RXD is able to probe quantitatively the electronic structure in very complex oxides, whose importance covers a wide domain of applications. | | Source: | arXiv, cond-mat/0606596 | | Services: | Forum | Review | PDF | Favorites | |
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