http://www.cnr.it/ontology/cnr/individuo/prodotto/ID284491
Environment segregation of Er3+ emission in bulk sol-gel-derived SiO2-SnO2 glass ceramics (Articolo in rivista)
- Type
- Label
- Environment segregation of Er3+ emission in bulk sol-gel-derived SiO2-SnO2 glass ceramics (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s10853-014-8531-6 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Van T.T.T.; Turrell S.; Capoen B.; Van Hieu L.; Ferrari M.; Ristic D.; Boussekey L.; Kinowski C. (literal)
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- University of Science, Vietnam National University, Ho Chi Minh City, Viet Nam; LASIR (CNRS, UMR 8516) and CERLA, Université Lille 1, Villeneuve d'Ascq, 59650, France; PhLAM (CNRS, UMR 8523) and CERLA, Université Lille 1, Villeneuve d'Ascq, 59650, France; CSMFO Lab., IFN-CNR, Via alla Cascata 56/c, Trento, 38050, Italy (literal)
- Titolo
- Environment segregation of Er3+ emission in bulk sol-gel-derived SiO2-SnO2 glass ceramics (literal)
- Abstract
- Er-doped (100-x) SiO2-x SnO2 glass-ceramic monoliths were prepared using a sol-gel method. Raman spectroscopic measurements showed the structural evolution of the silica matrix caused by the formation and the growth of SnO2 nanocrystals. Analysis of the photoluminescence properties shows that the quantity of Er3+ ions embedded in the vicinity of SnO2 nanocrystals could be controlled by the SnO2 concentration. We give spectroscopic evidence of energy transfer to erbium ions provided by SnO2 nanocrystals in the silica matrix. The 4I13/2 level decay curves present a double-exponential profile with two lifetimes associated to rare-earth ions in two different environments. (literal)
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