Transport of adsorbates at metal surfaces: from thermal migration to hot precursors

JV Barth - Surface Science Reports, 2000 - Elsevier
Theoretical aspects and evolution of surface diffusion studies are discussed with an
emphasis on non-metallic adsorbates at metal surfaces. A survey of the existing literature is …

Helium-3 spin-echo: Principles and application to dynamics at surfaces

AP Jardine, H Hedgeland, G Alexandrowicz… - Progress in Surface …, 2009 - Elsevier
In this review we give a detailed description of the recently developed helium-3 spin-echo
technique and its application to several classes of surface dynamic measurements. We …

Collective and single particle diffusion on surfaces

T Ala-Nissila, R Ferrando, SC Ying - Advances in Physics, 2002 - Taylor & Francis
We review in this article the current theoretical understanding of collective and single
particle diffusion on surfaces and how it relates to the existing experimental data. We begin …

High-resolution helium atom time-of-flight spectroscopy of low-frequency vibrations of adsorbates

F Hofmann, JP Toennies - Chemical reviews, 1996 - ACS Publications
The atomic-level description of the interatomic interactions determining the structure and
dynamics of clean and adsorbate-covered surfaces is one of the most fundamental topics in …

Anomalous versus normal room-temperature diffusion of metal adatoms on graphene

V Gervilla, M Zarshenas, DG Sangiovanni… - The Journal of …, 2020 - ACS Publications
Fabrication of high-performance heterostructure devices requires fundamental
understanding of the diffusion dynamics of metal species on 2D materials. Here, we …

Determination of the Na/Cu (001) potential energy surface from helium scattering studies of the surface dynamics

AP Graham, F Hofmann, JP Toennies, LY Chen… - Physical review …, 1997 - APS
The quasielastic peak broadening and the frustrated translational vibrations of a low
coverage (Θ Na< 5%) of Na atoms on a Cu (001) surface have been probed with high …

Noise-activated diffusion in the egg-carton potential

G Caratti, R Ferrando, R Spadacini, GE Tommei - Physical Review E, 1996 - APS
The noise-activated diffusion of a classical particle in spatially periodic two-dimensional (2D)
systems is studied by solving the corresponding Fokker-Planck equation. The particle is …

Kramers' turnover theory for diffusion of Na atoms on a Cu (001) surface measured by He scattering

R Guantes, JL Vega, S Miret-Artés… - The Journal of chemical …, 2003 - pubs.aip.org
The diffusion of adatoms and molecules on a surface at low coverage can be measured by
helium scattering. The experimental observable is the dynamic structure factor. In this article …

Energetics and diffusion paths of gallium and arsenic adatoms on flat and stepped GaAs (001) surfaces

MA Salmi, M Alatalo, T Ala-Nissila, RM Nieminen - Surface science, 1999 - Elsevier
In this paper, we investigate the energetics and diffusion barriers of arsenic and gallium
adatoms on smooth and stepped GaAs (001) surfaces. We use molecular-dynamics energy …

Non-Arrhenius behavior of surface diffusion near a phase transition boundary

I Vattulainen, J Merikoski, T Ala-Nissila, SC Ying - Physical review letters, 1997 - APS
We study the non-Arrhenius behavior of surface diffusion near the second-order phase
transition boundary of an adsorbate layer. In contrast to expectations based on macroscopic …