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Figure 3
Determination of the absorption constants μ for HOPG for linearly polarized light incident with p-geometry. Using the procedure described in the text, manipulated TEY spectrum η (left axis of ordinates) is interpreted as the energy function of the absorption constant μ (right axis of ordinates). Open circles show the measured η. Filled symbols correspond to different constant values of the creation efficiency M = 1/∊. The inset shows in more detail the π-resonance peak, where differences are most pronounced. It is apparent that if the mean creation energy ∊ is increased, the problematic saturation of the measured yield at the resonance peak is appropriately compensated. An increase of ∊ corresponds to a reduction of the ratio of secondary to primary electrons.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 5| September 2018| Pages 1433-1443
https://doi.org/10.1107/S1600577518010408
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