volume 149, issue 2, P171-176 2008
DOI: 10.1016/j.mseb.2007.11.015
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Abstract: Metal-for-alkali ion-exchange is largely used to dope surface layer of glass with metal ions so inducing a modification of the optical properties of the doped layer, useful to fabricate low-loss optical waveguides. X-ray absorption spectroscopy is a particularly important technique used to investigate the site of the metal ions introduced into the matrix, in specific cases also singling out the dopant oxidation state. Two case studies are reported in this paper, namely Cu-for-Na and Ag-for-Na ion-exchange laye…

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