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With implications in Earth and Environmental sciences and in Materials sciences, the understanding of the structural organization of natural and synthetic materials gives a background to understand their physicochemical properties and their formation conditions. At the same time, the structural surrounding and the speciation of elements in minerals, glasses/melts and aqueous solutions are important observables for modeling the molecular scale processes that govern their geochemical transfers during geological and environmental processes. Such a molecular scale point of view, at the origin of the "Environmental Molecular Science", is given by selective structural methods such as solid-state spectroscopy (synchrotron-based EXAFS and XANES spectroscopy, UV-visible-near IR, EPR, Mössbauer effect) and diffraction/diffusion of x-ray and neutron radiations, and rationalized by a numerical modeling of the structure of the investigated materials. Major advances have been made in the last decades, largely owing to the wide spread of large user facilities, such as synchrotron radiation and neutron sources. This approach provides a transversal view of systems often investigated independently. By coupling the logic of the structural organization of elements in minerals with geochemical and environmental data or the physical-chemical properties of technologically relevant materials, by comparing synthetic and natural systems, it is possible to get interesting predictions of properties in a large range of scientific fields: Earth sciences (formation conditions of minerals and glasses; molecular scale control of element transfer and concentration; source tracing of minerals and ore minerals), Environmental sciences (properties of low-temperature phases; contamination processes of soils; waste management) and Materials sciences (role of impurities and structural defects on the properties of glasses, ceramics, pigments and cosmetics). These research activities are performed in the frame of national and international programs as well as through a continuous collaboration with major R&D centers.
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American Mineralogistno. 5 (2024): 968-969
AMERICAN MINERALOGISTno. 3 (2023): 595-605
Quentin Bollaert,Mathieu Chassé,Hebatalla Elnaggar,Amélie Juhin, Alexandra Courtin,Laurence Galoisy,Cécile Quantin,Marius Retegan,Delphine Vantelon,Georges Calas
American Mineralogistno. 3 (2023): 595-605
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Comptes Rendus. Physiqueno. S1 (2023): 1-15
AMERICAN MINERALOGISTno. 3 (2023): 595-605
Geochimica et Cosmochimica Acta (2023): 142-157
Journal of Cultural Heritage (2023): 93-101
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