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Influence of the Er3+ Content on the Luminescence Properties and on the Structure of Er2O3-SiO2 Xerogels |
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| Authors: | M Ferrari C Armellini S Ronchin R Rolli C Duverger A Monteil N Balu P Innocenzi |
| Institution: | (1) Centro Fisica Stati Aggregati, Consiglio Nazionale delle Ricerche CeFSA, via Sommarive 14, I-38050 Povo, Trento, Italy;(2) Centro Fisica Stati Aggregati, Consiglio Nazionale delle Ricerche CeFSA, via Sommarive 14, I-38050 Povo, Trento, Italy;(3) Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica, Università di Trento, via Sommarive 14, I-38050 Povo, Trento, Italy;(4) Laboratoire POMA EP CNRS 130—2 bd. Lavoisier, Université d'Angers, F-49045 Angers Cedex, France;(5) Dip. Ing. Meccanica, Set. Materiali, Università di Padova, via Marzolo 9, I-35131 Padova, Italy |
| Abstract: | Er2O3-SiO2 xerogels doped with different Er/Si concentrations were annealed at 950°C for 120 h. The Er3+ doping level varied from 0 to 40000 Er/Si ppm. The effect of Er2O3 content on the sintering behavior of silica gels and on the luminescence properties was studied by Vis-NIR absorption, Raman and luminescence spectroscopies. |
| Keywords: | silica sol-gel erbium OH content densification upconversion |
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