Crystallographic evidence of polarons in uranium dioxide

Guillaume Brindelle (1, 2) , Gianguido Baldinozzi (1, 3) , Lionel Desgranges (2)

1 SPMS - Laboratoire Structures, Propriétés et Modélisation des solides
2 LM2C - Laboratoire de Modélisation Multi-échelles des Combustibles
3 LA2M - Laboratoire d'Analyse Microstructurale des Matériaux

Neutron scattering was used to investigate the structure of stoichiometric uranium dioxide. A statistical physics approach was used to model these experimental results and to relate them to the presence of polarons in the fluorite lattice.

Mots clés: Polarons; Diffraction and scattering measurements; Uranium Oxides

Domaines: Science des matériaux [cond-mat.mtrl-sci]; Chimie théorique et/ou physique; Matériaux

Guillaume Brindelle, Gianguido Baldinozzi, Lionel Desgranges. Crystallographic evidence of polarons in uranium dioxide. E-MRS 2015 SPRING MEETING , European Materials Research Society, May 2015, Lille, France. ⟨hal-01144251⟩