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This work was supported by the Ministerio de Educacion y Ciencia of Spain by the Project Ref. CTQ2006-15692-C02-02, and by the Comunidad de Madrid of Spain by the Proyect Ref. S-0505 / PPQ / 000344. S. Perez-Villar is also grateful to the JAE grant of CSIC, Spain.

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Garrido Maneiro, Miguel ángelAuthorGarrido, MaAuthor

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Application of Gradient and Confocal Raman Spectroscopy to Analyze Silver Nanoparticle Diffusion in Medieval Glasses

Publicated to:Journal Of Nano Research. 8 89-97 - 2009-01-01 8(), DOI: 10.4028/www.scientific.net/JNanoR.8.89

Authors: Rubio, F; Perez-Villar, S; Garrido, M A; Rubio, J; Oteo, J L

Affiliations

CSIC, Glass & Ceram Inst, Madrid, Spain - Author
Univ Rey Juan Carlos I, Madrid, Spain - Author

Abstract

In this work it has been carried out the diffusion of silver ions in medieval glasses by a heat treatment process. Silver ions are transformed into both silver nanoparticles and nanoclusters after redox reactions with reducing glass ions. Changes in glass colour due to the formation of these silver nanoparticles have been analysed by means of visible spectroscopy. At the same time, changes in glass structure have been analysed by means of Raman scattering. By using confocal Raman spectroscopy the in deep glass structural changes occurring after silver ion diffusion and silver nanoparticle formation have been studied. These changes have been corroborated by means of gradient Raman spectroscopy where the silver ion and silver nanoparticle diffusion have been analysed on a fractured glass surface. In all cases have been observed that silver nanoparticles produce a depolymerisation of the glass structure and that such depolymerisation increases with the amount of silver nanoparticles. By using Microprobe Analysis it has been found that the higher silver nanoparticle concentration is on the glass surface and it decreases with the distance to the surface according to a diffusion process. By using nanoindentation measurements on original and gradient glass surfaces it has been found an increase of the Young modulus from 60 to 85 GPa, being the first value that corresponding to the glass surface with high silver nanoparticle concentration, and the second one for the glass without silver. This result is in accordance with Raman and Microprobe analysis.

Keywords

AncientConfocal raman spectroscopyDiffusionDiffusion processGlassGlass structureGlass surfacesHeat treatment processIdentificationMedieval glassMetal ionsMicroprobe analysisNano-indentation measurementsNanoindentationNanoparticlesRaman scatteringRaman spectroscopyRedox reactionsSilverSilver ionsSilver nanoparticlesSoda-lime glassesSodium-silicate glassSpectrum analysisStructural changeStructural-changesVisible spectroscopyYoung modulus

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Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Nano Research due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2009, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Materials Science (Miscellaneous). Notably, the journal is positioned en el Cuartil Q4 for the agency WoS (JCR) in the category Materials Science, Multidisciplinary.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-26:

  • WoS: 12
  • Scopus: 11

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-26:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 16 (PlumX).