Photon-stimulated desorption from covalently bonded species: CO adsorbed on Ru(001)

We report the first angle-resolved photon-stimulated-desorption study of a covalent molecule bonded to a metal surface, CO on Ru(001). The mechanisms for ion desorption involve intramolecular excitations, not substrate core-level excitations. © 1981 The American Physical Society.