In order to study magnetic frustration, researchers at our laboratory characterized the magnetism resulting from frustration in Bi2Fe4O9, where they identified for the first time a model of a pentagonal lattice of magnetic atoms. Neutron diffraction allowed them to observe the original ordered fundamental state of this compound. The inelastic neutron scattering gave them access to the microscopic ingredients at the origin of this orthogonal order.
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.