Optical Investigation of Eu3+ in a Sodium Borosilicate Glass: Evidence for two Different Site Distributions (Articolo in rivista)

Type
Label
  • Optical Investigation of Eu3+ in a Sodium Borosilicate Glass: Evidence for two Different Site Distributions (Articolo in rivista) (literal)
Anno
  • 1996-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.53.6225 (literal)
Alternative label
  • Pucker, G. a, Gatterer, K. a, Fritzer, H.P. a, Bettinelli, M. b, Ferrari, M. c (1996)
    Optical Investigation of Eu3+ in a Sodium Borosilicate Glass: Evidence for two Different Site Distributions
    in Physical review. B, Condensed matter
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pucker, G. a, Gatterer, K. a, Fritzer, H.P. a, Bettinelli, M. b, Ferrari, M. c (literal)
Pagina inizio
  • 6225 (literal)
Pagina fine
  • 6234 (literal)
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  • 53 (literal)
Rivista
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  • 10 (literal)
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  • 10 (literal)
Note
  • Scopu (literal)
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  • a Inst. F. Phys. und Theor. Chemie, Graz University of Technology, A-8010 Graz, Austria b Sezione di Chimica, Istituto Policattedra, Università di Verona, I-37134 Verona, Italy c Cons. Naz. Delle Ric. CeFSA Ctro. F., I-38050 Povo, Trento, Italy (literal)
Titolo
  • Optical Investigation of Eu3+ in a Sodium Borosilicate Glass: Evidence for two Different Site Distributions (literal)
Abstract
  • A borosilicate glass of molar composition 0.01Eu2O3·0.99(25Na2O·50B 2O3·25SiO2) has been studied through the optical spectroscopy of the Eu3+ ion. Absorption and excitation spectra, fluorescence line narrowing, and time-resolved spectroscopy show that the impurity ions are accommodated in two different site distributions, one related to a silicate environment, and the other one related to a borate environment. These results have been corroborated by crystal-field calculations and comparison with the crystal-field parameters for the Eu3+ ion in silicate and borate glasses. The presence of phonon sidebands indicates strong coupling with high-frequency Si-O and B-O stretching vibrational modes. (literal)
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