Patthey, F.Massobrio, C.Schneider, W. D.2007-06-202007-06-202007-06-20199610.1103/PhysRevB.53.13146https://infoscience.epfl.ch/handle/20.500.14299/8898WOS:A1996UM47800091Dynamics of surface alloying: Determination of diffusion barriers from photoelectron spectratext::journal::journal article::research article