valence-band spectrum

https://doi.org/10.1351/goldbook.09362
X-ray photoelectron energy distribution arising from the excitation of electrons from the valence band of the sample material.
Source:
PAC, 2020, 92, 1781. (Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)) on page 1831 [Terms] [Paper]