Crystal-field and Kondo-scale investigations of CeMIn5 (M = Co, Ir, and Rh): A combined x-ray absorption and inelastic neutron scattering study
2010
Linear polarized soft-x ray absorption (XAS) and inelastic neutron scattering (INS) experiments have been performed on CeMIn5 with M = Rh, Ir, and Co to determine the crystal-field scheme and characteristic Kondo temperatures T* for the hybridization between 4f and conduction electrons. The ground state wave functions are determined from the polarization dependent soft-XAS data at the cerium M4,5 edge and the crystal-field splittings from INS. The characteristic temperature T* has been determined from the line widths of the neutron scattering data. We find that the quasielastic line widths of the superconducting compounds CeCoIn5 and CeIrIn5 are comparable with the low energy crystal-field splitting.
Keywords:
- Small-angle neutron scattering
- Condensed matter physics
- Nuclear magnetic resonance
- Quasielastic neutron scattering
- Inelastic scattering
- Biological small-angle scattering
- X-ray Raman scattering
- Neutron stimulated emission computed tomography
- Physics
- Quasielastic scattering
- Neutron scattering
- Atomic physics
- Inelastic neutron scattering
- Mott scattering
- Correction
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