angle of emission

synonym: emission angle
https://doi.org/10.1351/goldbook.09221
Angle between the trajectory of a particle or photon, as it leaves a surface, and the local or average surface normal.
Notes:
  1. The particular surface normal needs to be specified.
  2. In XPS and other techniques, the take-off angle, which is referred to the sample surface, is quoted.
Source:
PAC, 2020, 92, 1781. (Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)) on page 1797 [Terms] [Paper]
Citation: 'angle of emission' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.09221 RIS BibTex EndNote
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