Title: backscattering yield
Long Title: IUPAC Gold Book - backscattering yield
DOI: 10.1351/goldbook.09314
Status: current

Definition
Number of electrons emitted from the sample with energies greater than \(\pu{50 eV}\) divided by the number of electrons incident at a given energy and angle of incidence.

Related Terms
- backscattering correction factor: https://goldbook.iupac.org//terms/view/09312
- secondary-electron yield: https://goldbook.iupac.org//terms/view/09423
- total secondary-electron yield: https://goldbook.iupac.org//terms/view/09359

Source
- PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1821 (https://doi.org/10.1515/pac-2019-0404)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09314/html
- json: https://goldbook.iupac.org/terms/view/09314/json
- xml: https://goldbook.iupac.org/terms/view/09314/xml

Citation: Citation: 'backscattering yield' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.09314
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-08-09T23:19:01+00:00