1s2p resonant inelastic x-ray scattering in alpha-Fe2O3
作者： W. A. Caliebe , C.-C. Kao , J. B. Hastings , M. Taguchi , A. Kotani
DOI: 10.1103/PHYSREVB.58.13452
关键词: Atomic physics 、 Physics 、 Coupling (probability) 、 K-edge 、 Absorption spectroscopy 、 Scattering 、 Spectral line 、 Resonant inelastic X-ray scattering 、 Absorption (logic) 、 Inelastic scattering
摘要: We report experimental and theoretical results on the Fe K edge x-ray absorption spectrum $1s2p$ resonant inelastic scattering (RIXS) spectra in $\ensuremath{\alpha}\ensuremath{-}{\mathrm{Fe}}_{2}{\mathrm{O}}_{3}.$ The are interpreted using an ${\mathrm{FeO}}_{6}^{9\ensuremath{-}}$ cluster model with intra-atomic multiplet coupling interatomic covalency hybridization. RIXS is treated as a coherent second-order optical process. It shown that double-peak structure pre-edge region of due to cubic crystal-field splitting, intensity ${e}_{g} {(t}_{2g})$ component enhanced by tuning incident photon energy spectrum.
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