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State-Dependent Partial Fluorescence Yield

The use of inverse partial fluorescence yield allows obtaining spectra free from saturation effects, but it does not allow investigating or quantifying the non-radiative decay at the L-edge of transition metals. Resolving this issue could be realized by discriminating between the various fluorescence contributions, in particular that of oxygen Kα from those of the metal L-edges and between the different L-edge contributions themselves. Such a method was recently developed and combined with the liquid micro-jet technique and named state dependent partial fluorescence yield (SD-PFY).


SD-PFY contributions from different transitions are separately integrated in order to obtain FY spectra from specific states. For separating the different photon energies, an XES spectrometer in Rowland-circle design can be used. Figure taken from the review of Lange et al.

 Related Publications

  • Soldatov, Mikhail A., Kathrin M. Lange, Malte D. Gotz, Nicholas Engel, Ronny Golnak, Alexander Kothe, and Emad F. Aziz. “On the Origin of Dips in Total Fluorescence Yield X-ray Absorption Spectra: Partial and Inverse Partial Fluorescence Yield at the L-edge of Cobalt Aqueous Solution.” Chemical Physics Letters 546 (September 12, 2012): 164–167. doi:10.1016/j.cplett.2012.07.067.