Boudlich, D. and Yahiaoui, E.M. and Archidi, M.E. and Haddad, M. and Nadiri, A. and Berger, R. (1998) EPR structural characterisation of some alkali phosphate glasses. Annales de Chimie: Science des Materiaux, 23 (1-2). pp. 113-116.

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It is known that W5+, Mo5+, and Fe3+ ions are sensitive indicators for the structural changes of the local symmetry in oxide glasses. Thus, these centres were used as EPR probes in P2O5-A2MO4-A2O (M=Mo, W and A=Li, Na). The M5+ ions are located in a distorted environment. Their symmetry is lowered as A2O content is high. In iron-dopped glasses Fe3+ centres occupy distorted octahedra. The distortion extent is less than 7. Radiation-induced defects have been detected, it is concerned with a PO2-4 centre and peroxy radicals.

Item Type: Article
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48

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