X-ray monochromator

https://doi.org/10.1351/goldbook.09304
Device used to eliminate photons of energies other than those in a narrow energy or wavelength band.
Note: For X-ray photoelectron spectroscopy using \(\ce{Al}\) X-rays, the monochromator is usually aligned close to the \(\ce{Al}\) \(\ce{K}\upalpha\!_{1}\) energy.
Source:
PAC, 2020, 92, 1781. (Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)) on page 1819 [Terms] [Paper]
Citation: 'X-ray monochromator' 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.09304 RIS BibTex EndNote
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