SOFT X-RAY EMISSION AND RESONANT INELASTIC X-RAY SCATTERING SPECTROSCOPY

Abstract

X-ray spectroscopy was a key technique to elucidate the atomic structure of matter, starting in the early 20th century through the discovery of X-ray diffraction and the observation that X-rays have characteristic energies for different elements of the periodic system. Later, soft X-ray emission spectroscopy offered an experimental basis for the exploration of the electronic structure of solids. Over the years X-ray spectroscopy has been widely used both for elemental analysis in various applications, and as a method for basic research in physics and chemistry.