journal article·2020-01

Silver centers luminescence in phosphate glasses subjected to X‐Rays or combined X‐rays and femtosecond laser exposure

Théo Guérineau, Francesca Cova, Yannick Petit, Alain Abou Khalil, Alexandre Fargues, Marc Dussauze, Sylvain Danto, Anna Vedda, Lionel Canioni, Thierry Cardinal

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Abstract

Abstract The generation of silver species has been investigated in silver‐containing sodo‐gallo‐phosphate glasses subjected to X‐ray irradiations. Radioluminescence spectroscopy has evidenced the presence of isolated and paired silver ions. The proportion of silver pairing is found dominant in ortho‐phosphate glass compositions, compared to poly‐phosphate counterparts. The phosphate glass network is reported to have a decisive impact on X‐Ray photosensitivity and the formation of luminescent silver species, namely Ag 2+ hole trap silver ions and Ag m x+ silver clusters. The subsistence of femtosecond laser produced silver luminescent structures under X‐Ray irradiation has been demonstrated.
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Research context

OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Laser Material Processing Techniques

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Affiliations

Université de Bordeaux CNRS ICMCB UPR 9048 Pessac France

Department of Materials Science University of Milano‐Bicocca Milan Italy

Université de Bordeaux CNRS CEA CELIA UMR 5107 Talence France

Université de Bordeaux ISM CNRS UMR 5255 Talence France

Funding

Agence Nationale de la Recherche

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