Primary ion

{
  "id": "MLC-T-CHM-009430",
  "term": "Primary ion",
  "field": "Chemistry",
  "definition": "An ion generated externally and directed at a sample surface to induce sputtering or ionization of the sample material. These ions transfer energy to the sample, causing atoms or molecules to be ejected as secondary ions or neutral species. Common primary ions include O2+, Cs+, and Ar+, used in techniques like secondary ion mass spectrometry.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "probe ion",
    "secondary ion"
  ],
  "references": [
    "PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1842 (https://doi.org/10.1515/pac-2019-0404)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/primary-ion/"
}