http://www.cnr.it/ontology/cnr/individuo/prodotto/ID234085
Site distribution and thermalization effects in Europium-doped silica glasses (Articolo in rivista)
- Type
- Label
- Site distribution and thermalization effects in Europium-doped silica glasses (Articolo in rivista) (literal)
- Anno
- 1994-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1051/jp4:19944139 (literal)
- Alternative label
A. Bouajaj 1, A. Monteil 2, C. Bovier 3, M. Ferrari 4 and A. Piazza 4 (1994)
Site distribution and thermalization effects in Europium-doped silica glasses
in Journal de physique. IV
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Bouajaj 1, A. Monteil 2, C. Bovier 3, M. Ferrari 4 and A. Piazza 4 (literal)
- Pagina inizio
- Pagina fine
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- Rivista
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- Note
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- 1 Physico-Chimie des Matériaux Luminescents, URA 442 du CNRS, Université Lyon I, 43 bd du 11 Novembre 1918, 69622 Villeurbanne, France; 2 Laboratoire POMA, Université d'Angers, 2 bd Lavoisier, 49045 Angers cedex, France; 3 Département de Physique des Matériaux, URA 172 du CNRS, Université Lyon I, 43 bd du 11 Novembre 1918, 69622 Villeurbanne, France; 4 CNR, Centro di Fisica degli Stati Aggregati ed Impianto Ionico, via Sommarive 14, 38050 Povo (TN), Italy (literal)
- Titolo
- Site distribution and thermalization effects in Europium-doped silica glasses (literal)
- Abstract
- For the no-phonon transition 5D0->7F0 of Eu3+ in glasses, obtained by sol-gel route, emission and absorption at low temperature are not resonant. This effect is interpreted by a redistribution of the excitation energy among the different environment for the Eu3+ ion. A simple model is used to interpret the temperature evolution of the emission spectra. A good agreement is obtained with experimental results. The experimental emission spectra are simulated using the Boltzmann law and the experimental excitation spectra. The mechanism of redistribution is a phonon-assisted energy transfer process. This is confirmed by temperature dependence of decays and time resolved emission measurements. (literal)
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- Autore CNR
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