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Issue 23, 2004
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Structural organization and thermal properties of the Sb2O3–SbPO4 glass system

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Abstract

The structural organization of Sb2O3–SbPO4 glasses has been studied by FTIR, Raman, 31P MAS and spin echo NMR, Mössbauer and X-ray absorption spectroscopy (EXAFS and XANES at K and L3,1–Sb edges). The combined results can be explained in terms of two potential mechanisms describing the change of the Sb(III) local environment upon incorporation of Q(4)-type phosphate. The formation of the latter species requires anionic compensation that may be adjusted by (a) formation of non bridging oxygen or (b) formation of SbO4E groups (E = non-bonding electron pair). The second model is favored.

Graphical abstract: Structural organization and thermal properties of the Sb2O3–SbPO4 glass system

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Publication details

The article was received on 22 Apr 2004, accepted on 09 Aug 2004 and first published on 17 Sep 2004


Article type: Paper
DOI: 10.1039/B406075J
Citation: J. Mater. Chem., 2004,14, 3398-3405
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    Structural organization and thermal properties of the Sb2O3–SbPO4 glass system

    M. Nalin, Y. Messaddeq, S. J. L. Ribeiro, M. Poulain, V. Briois, G. Brunklaus, C. Rosenhahn, B. D. Mosel and H. Eckert, J. Mater. Chem., 2004, 14, 3398
    DOI: 10.1039/B406075J

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