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Home   /   Thesis   /   Raw earth soil, an age-old material with new emerging uses

Raw earth soil, an age-old material with new emerging uses

Condensed matter physics, chemistry & nanosciences Energy efficiency for smart buildings, electrical mobility and industrial processes Technological challenges Ultra-divided matter, Physical sciences for materials


Raw earth materials, which have found multiple uses for millennia, now offer considerable potential for helping to adapt to the changing climate, thanks to their natural ability to regulate heat and water, as well as their low-CO2 production and shaping. However, scientific advances are still needed to get a more precise understanding of these materials, up to the nanometric scale.

This thesis focuses on the link between the mechanical properties of raw earth soil materials and their nanostructure, emphasizing the roles of confined water, ions and organic substances. Two approaches, based on the expertise on nanoporous media developed at CEA, Saclay and Marcoule, will be followed: the analysis of old materials using spectroscopic and radiation scattering methods, and the development of a screening protocol to identify physicochemical parameters important for durability. This research, which ultimately aims to optimize the formulation of raw earth materials, will be carried out in collaboration with architects specialists in the field.


Institut rayonnement et matière de Saclay
Service Nanosciences et Innovation pour les Materiaux, la Biomédecine et l’Energie
Laboratoire Interdisciplinaire sur l’Organisation Nanométrique et Supramoléculaire
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