Title: X-ray linewidth
Long Title: IUPAC Gold Book - X-ray linewidth
DOI: 10.1351/goldbook.09303
Status: current

Definition
Energy width of the principal characteristic X-ray line.

Notes
1) In X-ray photoelectron spectroscopy the X-ray linewidth usually refers to that of the X-ray source.
2) X-ray linewidth contributes to the photoelectron peak widths.

Source
- PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1819 (https://doi.org/10.1515/pac-2019-0404)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09303/html
- json: https://goldbook.iupac.org/terms/view/09303/json
- xml: https://goldbook.iupac.org/terms/view/09303/xml

Citation: Citation: 'X-ray linewidth' 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.09303
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Accessed: 2026-05-18T07:34:50+00:00