Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium (Articolo in rivista) (literal)

Anno

• 2004-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1021/cm049276m (literal)

Alternative label

• D. Di Martino ; A.Vedda; G.Angella; M.Catti; E.Cazzini; N.Chiodini; F.Morazzini; R.Scotti; G.Spinolo (2004)
  Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium
  in Journal of materials chemistry (Print)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• D. Di Martino ; A.Vedda; G.Angella; M.Catti; E.Cazzini; N.Chiodini; F.Morazzini; R.Scotti; G.Spinolo (literal)

Pagina inizio

• 3352 (literal)

Pagina fine

• 3356 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 16 (literal)

Rivista

• Journal of materials chemistry (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 17 (literal)

Note

• Scopu (literal)
• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• 1,2,4,5,6,7,8,9 : Dipto. di Scienza dei Materiali, Università di Milano Bicocca, Milano, Italy / 3 : CNR, Istituto IENI, Sez. Milano Bicocca, Milano, Italy / 1,2,9 INFM, CNR UdR Milano Bicocca, Milano, Italy /,, 4,7,8 INSTM, UdR Milano Bicocca, via Cozzi 53, I-20125 Milano, Italy (literal)

Titolo

• Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium (literal)

Abstract

• Structural and morphological studies were carried out on cerium- and gadolinium-doped sol-gel silica glasses intended for scintillator applications, to deepen the understanding of rare earth ion incorporation into the glass matrix. Several compositions, ranging from 0 to 5 mol % Ce and from 0 to 8 mol % Gd, were studied by Raman spectroscopy. The vibrational response was compared to that of pure silica glasses: for cerium doping higher than 0.5 mol %, the F2g Raman mode, characteristic of CeO2, was observed. The presence of CeO2 nanocrystalline clusters, whose size depends on cerium concentration and thermal treatment, was confirmed also by X-ray powder diffraction (XRD) patterns and transmission electron microscopy (TEM) analyses. On the contrary, gadolinium-doped sol-gel silica glasses exhibited Raman spectra similar to those of pure silica glasses, at least for the investigated concentrations up to 8 mol %, and no crystalline particles were detected within the amorphous matrix. (literal)

Prodotto di

• Materiali strutturali innovativi per l'energetica (ET.P06.005.001) (Modulo)
• Institute of Condensed Matter Chemistry and Energy Technologies (ICMATE) (Istituto)

Autore CNR

• GIULIANO ANGELLA (Persona)

Insieme di parole chiave

• Parole chiave di "Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium" (Insieme di parole chiave)

Incoming links:

Autore CNR di

• GIULIANO ANGELLA (Persona)

Prodotto

• Institute of Condensed Matter Chemistry and Energy Technologies (ICMATE) (Istituto)
• Materiali strutturali innovativi per l'energetica (ET.P06.005.001) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of materials chemistry (Rivista)

Insieme di parole chiave di

• Parole chiave di "Evidences of rare earth ion aggregates in a sol-gel silica matrix: the case of cerium and gadolinium" (Insieme di parole chiave)