Kappes, Manfred M.Schaer, MartinRoethlisberger, UrsulaYeretzian, ChahanSchumacher, Ernst2006-02-272006-02-272006-02-27198810.1016/0009-2614(88)87376-7https://infoscience.epfl.ch/handle/20.500.14299/226118Controversy regarding the interpretation of photoionization efficiency measurements obtained for alkali clusters provided impetus for higher-resoln. (3.3 nm) studies . The new data cover the full range of cluster sizes: Nax, x <23. Methods of assigning ionization potentials are discussed, and the resulting nos. are compared with predictions from various model calcns. [on SciFinder (R)]Sodium cluster ionization potentials revised: higher-resolution measurements for Nax (x < 23) and their relation to bonding modelstext::journal::journal article::research article