Luminescence of Ba3SrM2O9 (M = Nb,Ta) |
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| Authors: | G. Blasse G.J. Dirksen D.J.W. Ijdo |
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| Affiliation: | 1. Physical Laboratory, State University Utrecht, P.O. Box 80.000, 3508 TA Utrecht, The Netherlands;2. Section of Solid State Chemistry, Gorlaeus Laboratories, State University Leiden, P.O. Box 9502, 2300 RA Leiden, The Netherlands |
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| Abstract: | The Nb2O98? and Ta2O98? complexes show efficient luminescence at low temperatures in Ba3SrM2O9 (M = Nb, Ta). This is in line with earlier predictions. Emission and excitation spectra are reported and discussed. The Cr3+ ion in these complexes shows 2E emission. Its crystal field is strong. It is shown that CrNbO910? and CrTaO910? complexes are responsible for the spectra observed. |
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