Abstract

Detailed information on the magnetic ground state of anomalous rare earth materials can be obtained through neutron scattering experiments due to the strong coupling of neutrons to 4f electrons. In particular, magnetic form factor determinations help in the understanding of the wavefunctions of magnetic electrons, and inelastic neutron scattering experiments measure energy scales of magnetic fluctuations and characteristic temperatures. Neutron diffraction techniques have revealed diverse magnetic structures which reflect competitions between various interactions in solids. These aspects are reviewed and illustrated with experimental studies of some anomalous cubic cerium compounds.

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