Field ionization

{
  "id": "MLC-T-CHM-004410",
  "term": "Field ionization",
  "field": "Chemistry",
  "definition": "An ionization technique in mass spectrometry that involves applying a very high electric field to a gas-phase sample. This strong field distorts the electron clouds of molecules, leading to the tunneling of electrons and the formation of ions. It produces molecular ions with minimal fragmentation.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "field desorption"
  ],
  "references": [
    "Orange Book, 2nd ed., p. 203 (https://media.iupac.org/publications/analytical_compendium/)",
    "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 (https://doi.org/10.1351/pac199163101541)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/field-ionization/"
}