surface ionization

in mass spectrometry
https://doi.org/10.1351/goldbook.S06179
Takes place when an atom or molecule is ionized when it interacts with a solid surface. @[email protected] occurs only when the work function of the surface, the temperature of the surface, and the @[email protected] of the atom or molecule have an appropriate relationship.
Source:
PAC, 1991, 63, 1541. (Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)) on page 1548 [Terms] [Paper]