BM23 is a bending magnet beamline optimized for standard EXAFS in a large energy range (5-75 keV), oriented towards high-quality data collection, stability and versatility, high automation, online data analysis and flexible sample environments
BM23 is the general purpose X-ray absorption spectroscopy beamline at the ESRF. It aims to meet the needs of the member countries in the area of conventional X-ray absorption spectroscopy. Principally, BM23 is designed to perform experiments which have requirements that fall beyond the capabilities of most second generation synchrotron sources, but which do not require the specialist characteristics of the other ESRF X-ray absorption instruments. The strengths to which BM23 operates arise from the intrinsic properties of the ESRF synchrotron, coupled with a bending magnet source and the high quality performance of the beamline's principle optical element, its monochromator.
The beamline is primarily used to investigate the electronic and local structure in crystalline, amorphous and liquid matter in a variety of thermodynamical and reaction conditions. It now features a micro-XAS facility that offers a spot size of 5 x 5 um2
Research at BM23 covers a variety of scientific domains, including solid state physics, materials science, geosciences, environmental science, solution chemistry, heterogeneous and homogeneous catalysis.