Soft X-ray absorption spectroscopy and resonant inelastic X-ray scattering spectroscopy below 100 eV: probing first-row transition-metal M-edges in chemical complexes

M-edge XAS on a series of 3d metal complexes and M-edge RIXS on a covalent complex are reported for the first time, encouraging synchrotron-based M-edge measurements on more complicated samples in the future. Application of a superconducting tunnel junction X-ray detector to M-edge measurements is also discussed.