Anomalous neutralization characteristics in neutralization on Al(111) surfaces

P Liu, L Yin, Z Zhang, B Ding, Y Shi, Y Li, X Zhang… - Physical Review A, 2020 - APS
The jellium model of free electron gas and its extended version have been widely used to
understand the neutralization of alkali-metal ions on metal surfaces. We report an …

Single versus double excitation in neon projectiles scattered from surfaces

D Runco, P Riccardi - Physical Review A, 2021 - APS
We scattered 0.45–5 keV Ne+ ions at Al surfaces, performing angle resolved measurements
of electron spectra from autoionizing decay of excitations in the scattered projectiles …

Effects of the solid target on electronic excitations during binary atomic collisions in the interaction of Ne ions with Al surfaces

P Riccardi, CA Dukes - Vacuum, 2022 - Elsevier
We report on measurements of the energy distribution of electrons emitted by Aluminum
surfaces under the impact of low energy singly charged Neon ions, focusing on Auger decay …

Electron capture and loss in the scattering of low-energy protons with a monolayer deposited on Cu(111)

V Quintero Riascos, M Tacca, R Vidal, C Gonzalez… - Physical Review A, 2021 - APS
Final projectile charge states are experimentally and theoretically analyzed after H+ ions
collide with a C 60 monolayer deposited on Cu (111) with an ample range of incoming …

Collisional excitation in Neon-like projectiles scattered from Al

D Runco, P Riccardi - Solid State Communications, 2021 - Elsevier
We performed experiments of electron emission in the interaction of singly charged Na+ and
Ne+ with Al surfaces. We compare Auger emission from sodium and neon projectiles excited …

Low-energy Na+ neutralization on Al (1 1 1) and Cu (1 1 0) surfaces at grazing incidence

M Wei, X Wang, X Guo, P Liu, B Ding, Y Shi… - Nuclear Instruments and …, 2020 - Elsevier
Jellium model is well known and used to understand the neutralization of alkali-metal ions
on metal surfacesbut we find it cannot explain our experiments for the neutralization of 0.4 …

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 …

Charge-exchange mechanisms at the threshold for inelasticity in collisions with surfaces

MJ Gordon, J Mace, KP Giapis - Physical Review A—Atomic, Molecular, and …, 2005 - APS
We present a study on scattering of 100–1400 eV Ne+ ions off Mg, Al, Si, and P surfaces.
Exit energy distributions and yields of single-scattered Ne+ and Ne 2+ were separately …

The free electron model and the electronic energy losses of protons at low velocities interacting with polycrystalline tantalum

M Mery, C González-Fuentes… - Radiation Effects and …, 2022 - Taylor & Francis
In this letter, we report experimental data and theoretical work on the electronic energy loss
and energy loss straggling of protons transmitted through self-supported thin films of …

Kinetic electron emission from Al surfaces by slow ions

M Minniti, M Commisso, A Sindona, E Sicilia… - Physical Review B …, 2007 - APS
We measured energy distributions of electrons emitted in the interaction of Na+ with Al
surfaces at incident ion energies in the range 150–4000 eV. The data allow to correlate …