Performance of the HERMES beamline at the carbon K-edge Article Swipe

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Sufal Swaraj , Rachid Belkhou , Stefan Stanescu , Maxime Rioult , Adrien Besson , Adam P. Hitchcock ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.1088/1742-6596/849/1/012046 · OA: W2626868107

Contamination of soft X-rays beamline optics due to carbon cracking and deposition under X- ray irradiation is especially critical for spectromicroscopy operations near the carbon K-absorption edge from organic materials, polymers and nanoparticles. In this paper we present the strategy and procedure followed on the HERMES beamline (Synchrotron SOLEIL) to minimize carbon contamination of the beamline optics. Measurements on a complex organic test sample are reported to demonstrate the performance of the beamline at the carbon K-edge in imaging, spectroscopy and spectromicroscopy modes.