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Résumé:

Despite the many experimental, theoretical, and numerical studies, there are still many unknowns about the microscopic understanding of the surface properties of silicate glasses. Nowadays, many applications rely on the control of surface composition, local structure, or morphology. Moreover, the disordered nature of the glass structure makes exploring and rationalizing some of these properties difficult on a microscopic level. MD simulations have been carried out to systematically examine the influence of alkali content and their chemical nature on the properties of alkali glass surfaces. We have shown how the production history, whether it's a melt-quench process or dynamic fracture, has a direct impact on both the atomistic-level and morphological properties