journal article·2010-08

Europium structural environment in a sodium disilicate glass by XAS

Maria Rita Cicconi, Gabriele Giuli, Eleonora Paris, Donald B. Dingwell

Journal of Non-Crystalline Solids· Volume 356· Issue 35-36
Publisher page

Abstract

Abstract The structural environment of europium (Eu) in a synthetic silicate glass of Na2Si2O5 composition has been determined with the final purpose to carry out a detailed investigation of the role of europium in glasses by building a structural model as a function of glass composition. The sample analyzed in this study has been characterized through Eu L3-edge X-ray Absorption Spectroscopy (XAS), which allowed to obtain Eu oxidation state, coordination number and the bond distances in the glass. From EXAFS data analysis Eu results to be bonded to six oxygens ( = 2.26 ± 0.01 A) at the corners of an almost regular octahedron.
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Research context

OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · X-ray Spectroscopy and Fluorescence Analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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