Pieter Glatzel: Reflections on hard X-ray photon-in/photon-out spectroscopy

The presentation will be a collection of thoughts that I find interesting for the experimentalist employing hard X-ray photon-in/photon-out spectroscopy with a wavelength dispersive instrument. I would like to draw the attention to some experimental aspects and will give hopefully useful advice that may be considered for the experimental protocol. Furthermore, I will present the two instruments for X-ray emission spectroscopy at ESRF ID26 and discuss the challenges of a multi-crystal spectrometer.

References:
[1] Glatzel, P, et al. . “Reflections on Hard X-Ray Photon-in/Photon-out Spectroscopy for Electronic Structure Studies” J. Electron Spectros. Relat. Phenomena 2013, 188, 17–25; https://doi.org/10.1016/j.elspec.2012.09.004
[2] Rovezzi, M, et al.,. “High Energy-Resolution x-Ray Spectroscopy at Ultra-High Dilution with Spherically Bent Crystal Analyzers of 0.5 m Radius” Rev. Sci. Instrum. 2017, 88 (1) 013108 https://doi.org/10.1063/1.4974100;
[3] M. Rovezzi, et al., “TEXS: in-vacuum tender x-ray emission spectrometer with eleven Johansson crystal analysers.” Journal of Synchrotron Radiation 2020, 27, 813. https://doi.org/10.1107/S160057752000243X