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Optical spectroscopy of chromium(III) in glasses and glass-ceramics of the magnesium aluminium silicate system |
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| Authors: | J.A. Capobianco N. Raspa G. Cormier A. Monteil G. Boulon |
| Affiliation: | Department of Chemistry, Concordia University, 1455 de Maisonneuve Boulevard, West, Montreal, Quebec, Canada H3G 1M8 Department of Chemistry, McGill University, 801 Sherbrooke Street, West, Montreal, Quebec, Canada H3A 2K6 Physiochimie des Materiaux Luminescents, UA CNRS No. 442, Université Claude Bernard, Lyon I, 69622 Villeurbanne, France |
| Abstract: | The optical absorption and emission of Cr3+ in glasses and glass-ceramics of the magnesium aluminium silicate system are reported. Glasses and glass-ceramics of high optical quality can be easily synthesized in the XMgO·Al2O3·2.5SiO2 system simply by varying X (0.5–2.0) without recourse to thermal treatment. Evidence that Cr3+ resides in both the crystalline and glass phase of the glass-ceramic is presented. Furthermore the crystalline phases are identified as Al2O3 and MgAl2O4, and the glass phases as mullite and cordierite. |
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