Resonant X-ray diffraction using high-resolution image-plate data

The experimental setup for the collection of synchrotron X-ray powder diffraction data from samples with high absorption (μR > 10) is described. It consists of a combination of a vacuum chamber with an image-plate system. A numerical absorption correction for the applied geometry has been derived and the data were corrected accordingly. Values for f ′(Er) and f ′′(Er) were refined from eight measurements on Er₅Re₂O₁₂ above and below the Er L_III absorption edge. Successful refinement of the crystallographic data has verified the high quality of the collected intensities.