Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Gravielle, M. S."'
Autor:
Frisco, L., Gravielle, M. S.
Understanding the influence of phonon-mediated processes on grazing-incidence fast atom diffraction (GIFAD) patterns is relevant for its use as a surface analysis technique. In this work, we apply the Phonon-Surface Initial Value Representation (P0-S
Externí odkaz:
http://arxiv.org/abs/2303.08586
Autor:
Frisco, L., Gravielle, M. S.
The effect produced by surface defects on grazing-incidence fast atom diffraction (GIFAD) patterns is studied by considering the presence of terraces in a LiF(001) sample. For helium atoms impinging along the <110> direction of the LiF surface, we an
Externí odkaz:
http://arxiv.org/abs/2209.10530
Autor:
Miraglia, J. E., Gravielle, M. S.
The applicability of the Benford law for different data sets of atomic cross sections by ion impact is studied. We find that the data sets corresponding to theoretical ionization and capture cross sections of neutral targets by multicharged ions sati
Externí odkaz:
http://arxiv.org/abs/2106.06099
Autor:
Frisco, L., Gravielle, M. S.
Publikováno v:
Phys. Rev. A 102, 062821 (2020)
Grazing-incidence fast atom diffraction (GIFAD) is an exceptionally sensitive method for surface analysis, which can be applied not only at room temperature but also at higher temperatures. In this work we use the He-LiF(001) system as benchmark to s
Externí odkaz:
http://arxiv.org/abs/2010.03188
Autor:
Frisco, L., Gravielle, M. S.
Publikováno v:
Phys. Rev. A 100, 062703 (2019)
We study the effect of crystal lattice vibrations on grazing-incidence fast atom diffraction (GIFAD) from insulator surfaces. To describe the phonon contribution to GIFAD we introduce a semiquantum method, named Phonon-Surface Initial Value Represent
Externí odkaz:
http://arxiv.org/abs/1909.11038
Grazing incidence fast atom diffraction (GIFAD or FAD) is a sensitive tool for surface analysis, which strongly relies on the quantum coherence of the incident beam. In this article the influence of the incidence conditions and the projectile mass on
Externí odkaz:
http://arxiv.org/abs/1805.01524
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Publikováno v:
Phys. Rev. A 95, 033401 (2017)
The influence of the crystallographic orientation of a typical metal surface, like aluminum, on electron emission spectra produced by grazing incidence of ultrashort laser pulses is investigated by using the band-structure-based-Volkov (BSB-V) approx
Externí odkaz:
http://arxiv.org/abs/1609.08932
Autor:
Miraglia, J. E., Gravielle, M. S.
Publikováno v:
Physical Review A 95, 022710 (2017)
Pairwise additive potentials for multielectronic atoms interacting with a LiF(001) surface are revisited by including an improved description of the electron density associated with the different lattice sites, as well as non-local electron density c
Externí odkaz:
http://arxiv.org/abs/1609.01583
We theoretically address grazing incidence fast atom diffraction (GIFAD) for H atoms impinging on a LiF(001) surface. Our model combines a description of the H-LiF(001) interaction obtained from Density Functional Theory calculations with a semi-quan
Externí odkaz:
http://arxiv.org/abs/1606.03936