Electron Spectroscopy of Charge Exchange Effects in Low Energy Ion Scattering at Surfaces: Case Studies of Heavy Ions at Al Surface

P Riccardi - Surfaces, 2023 - mdpi.com
This work discusses studies of electron emissions during the interaction of low energy (in the
keV energy range and below) singly charged ions with Aluminum surfaces. Analysis of the …

Assessing trajectory-dependent electronic energy loss of keV ions by a binary collision approximation code

R Holeňák, E Ntemou, S Lohmann, M Linnarsson… - Physical Review …, 2024 - APS
The inelastic energy deposition of energetic ions is a decisive quantity for numerous
industrial-scale applications, such as sputtering and ion implantation, yet the underlying …

Electronic interaction of slow hydrogen, helium, nitrogen, and neon ions with silicon

E Ntemou, S Lohmann, R Holeňák, D Primetzhofer - Physical Review B, 2023 - APS
We investigate the electronic excitation of silicon by hydrogen, helium, nitrogen, and neon
ions for ion energies ranging from several tens to a few hundred kiloelectronvolts …

Spectra of Low Energy Electrons Emitted in the Interaction of Slow Ne+ Ions with Mg Surfaces

P Riccardi, CA Dukes - Surfaces, 2023 - mdpi.com
We measured spectra of low energy electrons emitted in the interaction of singly charged
Ne+ ions with the Mg surface at incident ion energies ranging from 50 eV to 4 keV. The study …

Scanning Transmission Ion Microscopy Time-of-Flight Spectroscopy Using 20 keV Helium Ions

M Mousley, S Tabean, O Bouton… - Microscopy and …, 2023 - academic.oup.com
Scanning transmission ion microscopy imaging was performed whilst using a delay-line
detector to record the impact position and arrival time of transmitted ions or neutrals. The …

Excitation of the triplet 2p4 (3P) 3s2 autoionizing state of Neon by molecular orbital electron promotion at solid surfaces

P Riccardi, CA Dukes - Chemical Physics Letters, 2022 - Elsevier
We address the long standing issue of the dominant excitation of the triplet 2p 4 (3 P) 3s 2
state in the scattering of Neon projectiles from Magnesium, Aluminum and Silicon surfaces …

[HTML][HTML] Picosecond pulsed beams of light and heavy keV ions at the Time-of-Flight Medium energy ion scattering system at Uppsala University

E Ntemou, R Holeňák, D Wessman… - Nuclear Instruments and …, 2024 - Elsevier
A 16 MHz electrostatic beam chopper is implemented at the Uppsala University ToF-MEIS
system to complement the 4 MHz sinusoidal scanning, refining the resolution without drift …

Electronic stop** in ternary material SiCN: Anomalous behavior of slow channeling helium ions

YL Fu, JY Zhong, FS Zhang - Nuclear Instruments and Methods in Physics …, 2024 - Elsevier
By performing time-dependent density functional theory simulations, we reveal an
anomalous deviation from linear low-velocity electronic stop** for slow channeling helium …

[HTML][HTML] Electron correlation effects in electron promotion processes during binary atomic collisions at solid surfaces

P Riccardi, CA Dukes - Nuclear Instruments and Methods in Physics …, 2024 - Elsevier
We report energy distributions of electrons emitted by Aluminum and Magnesium surfaces
under the impact of singly charged neon ions with energies in the range 100–5000 eV …

Plasmon Excitation in the Interaction of Slow Singly Charged Argon Ions with Magnesium

P Riccardi - Solids, 2024 - mdpi.com
We report angle-resolved energy spectra of electron emitted in the interaction of slow singly
charged heavy ions with Mg surface. The work is focused mainly on the excitation of …