plasma desorption ionization

in mass spectrometry
https://doi.org/10.1351/goldbook.P04688
The @[email protected] of any species by interaction with heavy particles (which may be ions or neutral atoms) formed as a result of the fission of a suitable @[email protected] adjacent to a target supporting the sample.
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]