Effect of ultrasmall Au-Ag aggregates formed by ion implantation in Er-implanted silica on the 1.54 mu m Er3+ luminescence (Articolo in rivista)

Type
Label
  • Effect of ultrasmall Au-Ag aggregates formed by ion implantation in Er-implanted silica on the 1.54 mu m Er3+ luminescence (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.nimb.2013.10.040 (literal)
Alternative label
  • Maurizio, C.; Cesca, T.; Trapananti, A.; Kalinic, B.; Scian, C.; Mazzoldi, P.; Battaglin, G.; Mattei, G. (2014)
    Effect of ultrasmall Au-Ag aggregates formed by ion implantation in Er-implanted silica on the 1.54 mu m Er3+ luminescence
    in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maurizio, C.; Cesca, T.; Trapananti, A.; Kalinic, B.; Scian, C.; Mazzoldi, P.; Battaglin, G.; Mattei, G. (literal)
Pagina inizio
  • 11 (literal)
Pagina fine
  • 14 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 326 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Padua; CNR IOM; Universita Ca Foscari Venezia (literal)
Titolo
  • Effect of ultrasmall Au-Ag aggregates formed by ion implantation in Er-implanted silica on the 1.54 mu m Er3+ luminescence (literal)
Abstract
  • Multiple implantations of Au and Ag ions in pure silica and Er-doped silica matrices have been performed to promote the formation of small Au-Ag alloy clusters. Upon annealing in N-2 atmosphere at 600 degrees C the structural investigation based on X-ray absorption spectroscopy at Au L-3-edge detected for both cases the formation of Au-Ag alloy clusters, whose size is likely below 1 nm. The alloy composition is rich in Au; a minor part of Au atoms remains dispersed into the matrix and oxidized. In the Er-doped silica, the presence of these small alloy aggregates promotes a strong enhancement of the Er3+ luminescence at 1.54 mu m, that is more marked with respect to similarly produced layers where only pure Au sub-nanometer clusters were present. (C) 2014 Elsevier B.V. All rights reserved. (literal)
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