electron retardation

https://doi.org/10.1351/goldbook.09328

In Auger electron spectroscopy and X-ray photoelectron spectroscopy, measurement method for kinetic energy distribution by retarding the emitted electrons before or within the electron energy analyser.

Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1825 (https://doi.org/10.1515/pac-2019-0404)