Grazing incidence fast atom and molecule diffraction: theoretical challenges

C Díaz, MS Gravielle - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
This perspective article reviews the state-of-the-art of grazing incidence fast atom and
molecule diffraction (GIFAD and GIFMD) simulations and addresses the main challenges …

Temperature dependence in fast-atom diffraction at surfaces

P Pan, M Debiossac, P Roncin - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Grazing incidence fast atom diffraction at crystal surfaces (GIFAD or FAD) has demonstrated
coherent diffraction both at effective energies close to one eV (λ⊥≈ 14 pm for He) and at …

Decoherent phonon effects in fast atom-surface scattering

L Frisco, MS Gravielle - Nuclear Instruments and Methods in Physics …, 2023 - Elsevier
The study of the influence of phonon-mediated processes on grazing-incidence fast atom
diffraction (GIFAD) patterns is relevant for the use of GIFAD as a surface analysis technique …

Comment on “Perturbation theory of scattering for grazing-incidence fast-atom diffraction”, by W. Allison, S. Miret-Artés and E. Pollak, Phys. Chem. Chem. Phys., 2022 …

GA Bocan, H Breiss, S Szilasi, A Momeni… - Physical Chemistry …, 2023 - pubs.rsc.org
In this comment we discuss some aspects of Phys. Chem. Chem. Phys., 2022, 24, 15851, by
Allison et al., an article intensely motivated by our study of grazing incidence fast atom …

Semiquantum versus quantum methods for grazing-incidence fast-atom diffraction: Influence of the wave-packet size

AS Muzas, L Frisco, GA Bocan, C Díaz, MS Gravielle - Physical Review A, 2024 - APS
To take full advantage of the capabilities of grazing-incidence fast-atom diffraction (GIFAD)
as an experimental technique for analyzing surfaces and phenomena that occur on them …

Grazing incidence fast atom diffraction: general considerations, semiclassical perturbation theory and experimental implications

E Pollak, P Roncin, W Allison… - Physical Chemistry …, 2024 - pubs.rsc.org
Using semiclassical methods, an analytical approach to describe grazing incidence
scattering of fast atoms (GIFAD) from surfaces is described. First, we consider a model with a …

Perturbation theory of scattering for grazing-incidence fast-atom diffraction

W Allison, S Miret-Artés, E Pollak - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
Recent grazing-incidence, fast atom diffraction (GIFAD) experiments have highlighted the
well known observation that the distance between classical rainbow angles depends on the …

Reply to the 'Comment on “Perturbation theory of scattering for grazing-incidence fast-atom diffraction”'by GA Bocan, H. Breiss, S. Szilasi, A. Momeni, EMS …

W Allison, S Miret-Artés, E Pollak - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
In this Reply, we show that criticisms of perturbation theory for grazing-incidence fast-atom
diffraction (GIFAD) are ill-founded. We show explicitly that our formulation (W. Allison, S …

Grazing incidence fast atom diffraction in high-pressure conditions

A Mukherjee, A Momeni, AR Allouche… - Surfaces and …, 2023 - Elsevier
Abstract Grazing Incidence Fast Atom Diffraction (GIFAD) is a recent technique for
characterizing surface structures and real-time monitoring of thin film growth. Up to now …

Fast atom diffraction at crystal surfaces, the role of attractive forces

P Pan - 2022 - theses.hal.science
We investigate the diffraction of fast atoms (~ 1 keV) at grazing incidence (~ 1°) at the
surface of crystals. A technique called GIFAD and discovered in our group. We identify two …