http://www.cnr.it/ontology/cnr/individuo/prodotto/ID251713
Local environment of rare-earth dopants in silica-titania-alumina glasses: An extended x-ray absorption fine structure study at the K edges of Er and Yb (Articolo in rivista)
- Type
- Label
- Local environment of rare-earth dopants in silica-titania-alumina glasses: An extended x-ray absorption fine structure study at the K edges of Er and Yb (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.1369417 (literal)
- Alternative label
d'Acapito, F (d'Acapito, F); Mobilio, S (Mobilio, S); Santos, L (Santos, L); Almeida, RM (Almeida, RM) (2001)
Local environment of rare-earth dopants in silica-titania-alumina glasses: An extended x-ray absorption fine structure study at the K edges of Er and Yb
in Applied physics letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- d'Acapito, F (d'Acapito, F); Mobilio, S (Mobilio, S); Santos, L (Santos, L); Almeida, RM (Almeida, RM) (literal)
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- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Titolo
- Local environment of rare-earth dopants in silica-titania-alumina glasses: An extended x-ray absorption fine structure study at the K edges of Er and Yb (literal)
- Abstract
- We have applied extended x-ray absorption fine structure (EXAFS) spectroscopy to the K edge of rare earths (RE) in a study of the local environments of diluted Er and Yb dopants in silicate glasses, prepared by sol-gel processing. Silica-titania-alumina glasses, doped with RE ions at and above the luminescence quenching concentration were investigated and EXAFS spectra were recorded in a wide k range up to 160 nm(-1) not obtainable when working at the L-III edge. No direct RE-RE correlations were found, providing a strong support for previous studies. A model of RE aggregation derived from these observations is also discussed. (literal)
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