Excitation-energy dependence in the L2,3 fluorescence spectrum of Si.

摘要: The {ital L}{sub 2,3} emission spectrum of c}-Si, excited by monochromatized synchrotron radiation, has been recorded with a 5-m Rowland spectrometer. Dramatic spectral changes are observed as the excitation energy is varied from 2{ital p} binding up to 144 eV. It proposed that spectator electron, close bottom conduction band, influences spectrum. observations suggest intraband shakeup important in process, and population low-lying levels, via initial-state shakeup, high-energy-excited Si L}