Scattering of N2 Molecules from Silica Surfaces: Effect of Polymorph and Surface Temperature

M Rutigliano, F Pirani - Molecules, 2022 - mdpi.com
The inelastic scattering of N2 molecules from silica surfaces, taken at 100 K, has been
investigated by adopting a semiclassical collision model in conjunction with the appropriate …

[HTML][HTML] Effect of H atoms and O impurities on the adsorption stability and work function of the cesiated Mo (0 0 1) surface: A study about negative hydrogen ion …

H Li, X Zhang, Y Xu, G Lei, S Liu, K Tsumori… - Nuclear Materials and …, 2023 - Elsevier
The impact of H atoms and O impurities on the adsorption stability and work function of
cesiated Mo (0 0 1) surface are investigated in this paper through DFT calculations. The 53 …

Collision of protons with carbon atoms of a graphene surface in the presence of adsorbed potassium

A Iglesias-García, MA Romero, EA García… - Physical Review B, 2020 - APS
In this work we study the frontal collision of protons with the carbon atoms of a graphene
surface with a low coverage of adsorbed potassium. It is aimed at the analysis of the effect of …

[HTML][HTML] Theoretical calculation of cesium deposition and co-deposition with electronegative elements on the plasma grid in negative ion sources

H Li, X Zhang, Y Xu, G Lei, K Tsumori, M Isobe… - Nuclear Materials and …, 2023 - Elsevier
We studied the work function of cesium deposition and co-deposition with the
electronegative element on the plasma grid (PG) using the first-principles calculations. The …

Band Structure Effects on the Charge Exchange Processes in H+ Colliding with a Cu(111) Surface

VQ Riascos, M Tacca, R Vidal… - The Journal of …, 2018 - ACS Publications
The low-energy ion scattering (LEIS) technique was used to experimentally determine the
formation of positive and negative ions in the scattering of protons by a Cu (111) surface for …

[HTML][HTML] Effect of metal impurities on the adsorption energy of cesium and work function of the cesiated Mo (0 0 1) surface

H Li, X Zhang, Y Xu, G Lei, S Liu, K Tsumori… - Nuclear Materials and …, 2024 - Elsevier
Based on the DFT method, the effects of copper and tungsten impurities present in the
negative ion source of neutral beams on the cesiated surface were studied, including their …

Ab initio molecular dynamics investigation of Cs adsorption on Mo (0 0 1): Beyond a single monolayer coverage

H Said, M Novotný, I Černušák, T Bučko - Applied Surface Science, 2021 - Elsevier
Ab initio molecular dynamics simulations have been conducted to investigate the properties
of cesiated surface Mo (0 0 1) at the typical operating temperature of the negative hydrogen …

Evidence of superoxide-like CsO2 formation on a cesiated model surface

A Palma, N Sanna, M Rutigliano - Applied Surface Science, 2020 - Elsevier
The investigation of light atoms and molecules interaction on cesiated surfaces attracted
remarkable attention during the last years, mainly due to its application on tuning the …

Vibrationally excited hydrogen molecules formation on a cesiated surface

M Rutigliano, A Palma, N Sanna - Plasma Sources Science and …, 2018 - iopscience.iop.org
Hydrogen atoms recombination via the Eley–Rideal mechanism on a cesiated surface was
studied using a semiclassical collisional model. The potential energy surface governing the …

Fundamental Aspects of Surface Production of Hydrogen Negative Ions

M Wada - Physics and Applications of Hydrogen Negative Ion …, 2023 - Springer
A low-energy proton leaves solid metal surface as a negative hydrogen (H−) ion when it
picks up two electrons from the metal conduction band. Charge exchange foils served as the …