Issue 23, 2004
From the journal:

Journal of Materials Chemistry

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

M. Nalin,ab   Y. Messaddeq,a   S. J. L. Ribeiro,a   M. Poulain,b   V. Briois,c   G. Brunklaus,d   C. Rosenhahn,d   B. D. Moseld  and  H. Eckertd  

a LAMF, Instituto de Quimica – UNESP, Rua Professor Francisco Degni s/n CEP 14800-900 Araraquara, SP, Brazil

b Université de Rennes 1, 263, Av. du Général Leclerc, Bat. 10B Chimie, CS 74205, 35042 Rennes CEDEX, France

c LURE, Bâtiment 209D, BP 34, Centre Universitaire Paris Sud, 91898 Orsay Cedex, France

d Institut für Physikalische Chemie, Westfälische Wilhelms – Universität Münster, Corrensstrasse 30, D48149 Münster, Germany

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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Article information

DOI
https://doi.org/10.1039/B406075J
Article type
Paper
Submitted
22 Apr 2004
Accepted
09 Aug 2004
First published
17 Sep 2004

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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