Resonant inelastic x-ray scattering of spin-charge excitations in a Kondo system - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physical Review B Année : 2022

Resonant inelastic x-ray scattering of spin-charge excitations in a Kondo system

Résumé

Resonant inelastic x-ray scattering (RIXS) studies across the Ce M 5 edge have been carried out to investigate the electronic structure of the ferromagnetic CeAgSb 2 Kondo system. The RIXS spectra exhibit energy loss features corresponding to final states usually observed by combining photoemission and inverse photoemission spectroscopy. At low energy loss, a clear signature of the spectral features corresponding to the spin-orbit interaction is also observed. Polarization dependence provides evidence for the 1 S 0 symmetry singlet ground state by a total suppression of the f 0 final state. A simplified single-impurity Anderson model combined with full multiplet theory allows an accurate description of the spin-charge excitations. The RIXS data also reveal a strong temperature T dependence of the fluorescencelike structure. We conjecture that this behavior reflects the T dependence of the Kondo resonance.
Fichier principal
Vignette du fichier
PhysRevB.106.075141.pdf (1.34 Mo) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

hal-04142174 , version 1 (26-06-2023)

Licence

Paternité

Identifiants

Citer

Bodry Tegomo Chiogo, Jun Okamoto, Junhua Li, Takuo Ohkochi, Hsiao-Yu Huang, et al.. Resonant inelastic x-ray scattering of spin-charge excitations in a Kondo system. Physical Review B, 2022, 106 (7), pp.075141. ⟨10.1103/physrevb.106.075141⟩. ⟨hal-04142174⟩
14 Consultations
32 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More