Photoelectron Spectroscopy of Liquid Water with Tunable Extreme-Ultraviolet Radiation: Effects of Electron Scattering
| Autor: | Inga Jordan, Hans Jakob Wörner, Conaill Perry, Fernanda B. Nunes, Aaron von Conta, P. Zhang |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Letter 02 engineering and technology Radiation Photon energy 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Ionizing radiation X-ray photoelectron spectroscopy Extreme ultraviolet Ionization Physics::Atomic and Molecular Clusters General Materials Science Physical and Theoretical Chemistry Atomic physics Ionization energy 0210 nano-technology Electron scattering |
| Zdroj: | The Journal of Physical Chemistry Letters The Journal of Physical Chemistry Letters, 12 (11) |
| ISSN: | 1948-7185 |
| Popis: | We report the first systematic photoelectron measurements of the three outer-valence bands of liquid water as a function of the ionizing photon energy in the near-threshold region. We use extreme-ultraviolet (XUV) radiation tunable between ∼17.1 and 35.6 eV, obtained through monochromatization of a high-harmonic source. We show that the absolute values of the apparent vertical ionization energies and their respective peak widths show a decreasing trend of their magnitudes with increasing photon energy close to the ionization threshold. We find that the observed effects do not only depend on the electron kinetic energy but are also different for the various outer-valence bands. These observations are consistent with, but not fully explained by, the effects of inelastic electron scattering. The Journal of Physical Chemistry Letters, 12 (11) ISSN:1948-7185 |
| Databáze: | OpenAIRE |
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