Journal Article

PUBDB-2025-00908

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Low-energy electron scattering cross sections for nanoscale water clusters

Horn, K. (Corresponding author)Extern*DESY* ; Tsizin, S. ; Ban, L. ; Chasovskikh, E. ; Yoder, B. L. ; Calegari, F.DESY* ; Signorell, R. (Corresponding author)

2025
APS College Park, MD

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Please use a persistent id in citations: doi:10.1103/PhysRevResearch.7.013212  doi:10.3204/PUBDB-2025-00908

Abstract: Electron scattering cross sections are essential for the quantitative description of electron-induced processes in nanoconfined aqueous systems. Here we report on energy- and size-dependent cross sections for water clusters with diameters between ∼1.0 and 2.5 nm and electron energies below ∼32 eV. The cross sections of the clusters are up to a factor of 2 larger than those of water, suggesting a reduced dielectric screening in nanoconfinement. The cross sections show no significant cluster size dependence. A slight increase of cross sections with increasing electron energy is attributed to the increasing contribution from electronic scattering channels. As the simplest form of nanoconfined water, nanoscale water clusters represent an important model system.

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Contributing Institute(s):

1. Attosecond Science and Technology (FS-ATTO)

Research Program(s):

1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)
2. eDrop - Droplet Photoelectron Imaging (786636) (786636)
3. FP-RESOMUS - Fellowship Program of the NCCR MUST (National Competence Center for Research in MolecularUltrafast Science and Technology) and the Cluster of Excellence RESOLV (801459) (801459)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2025

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