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Título : Fluorescence line narrowing spectroscopy of Eu3+ in TeO2-TiO2-Nb2O5 glass
Autor : Cascales, Concepcion, Cascales, Concepcion, Balda, Rolindes, Fernández, J., Arriandiaga, M. A., Fernández Navarro, José María
Fecha de publicación : 2009
Editor: Elsevier
Resumen: In this work we report time-resolved line-narrowed fluorescence spectra of the 5D0 → 7F0-6 transitions of Eu3+-doped 80TeO2-5TiO2-15Nb2O5 glass obtained at 10 K by using different resonant excitation wavelengths along the 7F0 → 5D0 transition. The wavelength dependence of the 7F1 splitting suggests the existence of a broad distribution of Eu3+ centres possessing a variety of local field environments. The influence of the local coordination ions on the optical properties of Eu3+ has been studied by analysing the dependence of the crystal field (CF) parameters on the excitation energy along the 7F0 → 5D0 transition. © 2008 Elsevier B.V. All rights reserved.
Identificadores: doi: 10.1016/j.optmat.2007.12.018
issn: 0925-3467
Citación : Optical Materials 31: 1092- 1095 (2009)
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