Soft X-ray scattering dominates emission near the giant resonance of the rare earth compounds
Inelastic scattering of 4d electrons near the 4d-4f thresholds of Gd2O2S and Tm2O3 is studied with monochromatic synchrotron radiation excitation. The emission is dominated by inelastic scattering. We observe two energy loss mechanisms, which are 4f inner-shell excitations (4d104fn→4d94fn+1→4d104fn) and 5p-4f excitations (4d105p64fn→4d95p64fn+1 →4d105p54fn+1). Our atomic calculations are in excellent agreement with the experimental emission spectra indicating strong localization and a low degree of correlation of the 4f electrons. Inelastic scattering can be used to elucidate the relative partial cross sections for the contributing transitions.
Publication Source (Journal or Book title)
Journal of Electron Spectroscopy and Related Phenomena
Moewes, A., Stadler, S., Winarski, R., Ederer, D., & Callcott, T. (2000). Soft X-ray scattering dominates emission near the giant resonance of the rare earth compounds. Journal of Electron Spectroscopy and Related Phenomena, 110, 189-196. https://doi.org/10.1016/S0368-2048(00)00164-X