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Design of New Structural Types from Oxocentered Tetrahedra : Continuous Polycationic Series from 1D Chains to 2D Planes in New Bismuth Compounds

Published online by Cambridge University Press:  26 February 2011

Mentre Olivier
Affiliation:
mentre@ensc-lille.fr, UCCS, CS, Ecole Nationale Supérieure de Chimie de Lille, Cité Scientifique - Bâtiment C7 -BP 90108, villeneuve d'ascq, 59655, France
Colmont Marie
Affiliation:
marie.colmont@ensc-lille.fr, UCCS, Villeneuve d'Ascq, 59652, France
Huvé Marielle
Affiliation:
marielle.huve@ensc-lille.fr, UCCS, Villeneuve d'Ascq, 59652, France
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Abstract

In the Bi2O3-MO-P2O5 diagrams, most of the inorganic frameworks display Bi-M-O polycationic ribbons isolated by XO4 groups and interstitial cationic channels. They are formed of edge sharing O(Bi,M)4 tetrahedra. The width of the ribbons coexisting in the structures and their arrangement is changed from one compound to the next one. Due to mixed Bi3+/M2+ particular positions, a great chemical flexibility and a great degree of disorder may exist. It has been possible to extend ribbons to infinite [Bi2O2]2+ like sheets, sandwiched between XO4 based layers. In addition to this fascinating continuous polymerization from 1D chains to 2D sheets, O(Bi,M)4 and XO4 groups form ideal structural units for the designing of new materials through empirical structural rules that has been established.

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Type
Research Article
Copyright
Copyright © Materials Research Society 2007

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