Two-dimensional
surface map of the spatial distribution of the amount of a particular
secondary ion emitted from within a specific area of the sample in
secondary ion mass spectrometry.
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1845 (https://doi.org/10.1515/pac-2019-0404)