The three Cs atoms in the stoichiometric unit cell of Cs3Sb are characterized by a specific network of atoms to which they are bound. This coordination gives rise to distinct X-ray absorption signals.
With the advent of flat screens and LEDs, cathode-tube TVs are no longer present in our living rooms. However, this does not mean that photocathodes — namely materials that are healthy to eject electrons when impinged by light — have dis…