International audienceThis paper tells the history of solid-state chemistry in France from 1945 to the present. There, the chemical study of solids was carried out by a national, academic community of solid-state chemists, which experienced three successive organizational regimes. It was first framed by prewar traditions, taking the form of a feudal regime of Parisian "research schools" until the late 1950s. As the first post-World War II generation gained power and influence, research schools tended to drop their local specificity and the same disciplinary matrix spread across the country. This "disciplinary regime" was made possible through the centralized administration of the Centre National de la Recherche Scientifique. Finally, a mult...