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Detection and size determination of Ag nanoclusters in ion-exchanged soda-lime glasses by waveguided Raman spectroscopy (Articolo in rivista)
- Type
- Label
- Detection and size determination of Ag nanoclusters in ion-exchanged soda-lime glasses by waveguided Raman spectroscopy (Articolo in rivista) (literal)
- Anno
- 1996-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.361060 (literal)
- Alternative label
Ferrari, M. a, Gonella, F. b, Montagna, M. c , Tosello, C. c (1996)
Detection and size determination of Ag nanoclusters in ion-exchanged soda-lime glasses by waveguided Raman spectroscopy
in Journal of applied physics
(literal)
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- Ferrari, M. a, Gonella, F. b, Montagna, M. c , Tosello, C. c (literal)
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- a Ctro. C.N.R. Fis. Stati Aggregati I., I-38050 Povo, Trento, Italy
b Dipartimento di Fisica, Ist. Naz. di Fis. della Materia, Universitá di Padova, Via Marzolo 8, I-35131 Padova, Italy
c Dipartimento di Fisica, Ist. Naz. di Fisica della Materia, Universitá di Trento, I-38050 Povo, Trento, Italy (literal)
- Titolo
- Detection and size determination of Ag nanoclusters in ion-exchanged soda-lime glasses by waveguided Raman spectroscopy (literal)
- Abstract
- Waveguided Raman measurements have been performed in order to detect the presence of Ag nanoclusters in soda-lime glass waveguides obtained by ion exchange. By subtracting a strong broadband luminescence and the Raman contribution of the glass matrix, a low frequency Raman peak is resolved. The peak is ascribed to surface acoustic vibrations of silver clusters. The involved modes are the quadrupolar spheroidal ones. The size distribution of the Ag clusters is deduced from the energy and the linewidth of the peak. Silver particles have small dimensions with an upper size limit of about 1.5 nm. This result is in good agreement with recent transmission electron microscopy measurements. (literal)
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