2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151866In the pressure range 5-12 GPa the fractional valence of cerium is independent of pressure because of the coexistence of two or more structural phases. The observation of a single crystallographic structure in this pressure range arises from a non-equilibrium situation induced by the initial conditions of the high pressure experiment.1 page, uses REVTEXMaterials ScienceStrongly Correlated Electronstext