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Fluorination of perovskite-related SrFeO3-delta

Berry, Frank J.; Ren, Xiaolin; Heap, Richard; Slater, Peter and Thomas, Michael F. (2005). Fluorination of perovskite-related SrFeO3-delta. Solid State Communications, 134(9) pp. 621–624.

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We report here on the fluorination of the perovskite-related phase SrFeO3-delta through a low temperature (400 degrees C) reaction with poly(vinylidene fluoride). X-ray powder diffraction shows that fluorination leads to an expansion in the unit cell which is consistent with partial replacement of oxygen by fluorine and consequent reduction in the oxidation state of iron giving SrFeO2F. This reduction in oxidation state is confirmed by X-ray absorption- and Mossbauer-spectroscopy. The latter show complex magnetically split hyperfine patterns for the fluorinated sample, reflecting the interactions between Fe3+ ions which are not possible in oxides containing Fe4+

Item Type: Journal Article
ISSN: 0038-1098
Extra Information: Some of the symbols may not have transferred correctly into this bibliographic record and/or abstract.
Keywords: A. Perovskite; A. Poly(vinylidene fluoride); A. SrFeO3−δ; D. Fluorination
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Item ID: 5737
Depositing User: David Shuker
Date Deposited: 09 Nov 2006
Last Modified: 02 Dec 2010 19:54
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