Roethlisberger, U.Schaer, M.Schumacher, E.2006-02-272006-02-272006-02-27198910.1007/BF01398587https://infoscience.epfl.ch/handle/20.500.14299/226123Distinct temp. effects could be obsd. in the threshold regions of photoionization efficiency (PIE) measurements of Na clusters. Simulations of the PIE thresholds at various temps. were carried out with a simple, semiclassical model. Fitting the simulations to the exptl. data allows to correct ionization potential assignments for thermal effects and est. internal temps. of polyat. N clusters. [on SciFinder (R)]Internal temperatures of neutral sodium clusters: a PIE-thermometertext::journal::journal article::research article