Journal article
Resonant x-ray diffraction study of the charge ordering in magnetite
- Abstract:
- Powder x-ray diffraction patterns of magnetite (Fe3O 4) have been recorded at 90 K, below the Verwey transition, at three wavelengths in the pre- to mid-edge region of the 7.1 keV Fe K absorption. Simultaneous fitting of these profiles has been used to refine the anomalous scattering coefficients for the octahedral B site iron atoms. The refined values give direct evidence for a significant degree (46%) of Fe2+/Fe 3+ charge ordering in magnetite, and provide new constraints on the number of possible charge ordered models. © 2005 IOP Publishing Ltd.
- Publication status:
- Published
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Authors
- Journal:
- JOURNAL OF PHYSICS-CONDENSED MATTER More from this journal
- Volume:
- 17
- Issue:
- 48
- Pages:
- 7633-7642
- Publication date:
- 2005-12-07
- DOI:
- EISSN:
-
1361-648X
- ISSN:
-
0953-8984
- Language:
-
English
- Pubs id:
-
pubs:66327
- UUID:
-
uuid:1b58351a-7f3e-4db4-8667-a4e509244f97
- Local pid:
-
pubs:66327
- Source identifiers:
-
66327
- Deposit date:
-
2012-12-19
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- Copyright date:
- 2005
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