2021
DOI: 10.1039/d0cp05365a
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Abstract: The adsorption of sodium on Ru(0001) is studied using $^3$He spin-echo spectroscopy (HeSE), molecular dynamics simulations (MD) and density functional theory (DFT). In the multi-layer regime, an analysis of helium...

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Cited by 6 publications
(4 citation statements)
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“…4) and the high mobility of Li atoms. It compares also well with the 46 meV calculated for the similar case of Na diffusion on Ru(0001) 43 .…”
Section: Resultssupporting
confidence: 82%
“…4) and the high mobility of Li atoms. It compares also well with the 46 meV calculated for the similar case of Na diffusion on Ru(0001) 43 .…”
Section: Resultssupporting
confidence: 82%
“…A good fraction of the atoms released by sputtering and meteoritic impacts could return to the surface. Alkali atoms form weak bonds when deposited on metal and metal-oxide surfaces, the nature of which is an active area of research owing to diverse applications (Riffe et al 1990;Raghavan et al 2021). These bonds can be overcome at high surface temperatures or under UV photon bombardment, and atoms return to the exosphere.…”
Section: Discussionmentioning
confidence: 99%
“…The most common approach to reducing the work function is by coating a material with an adsorbate element or molecule [41]. Predominantly, alkali metals are used to reduce the work function [42][43][44][45][46][47][48] since they are among the least electronegative elements in the periodic table and their adsorption is generally accompanied by a charge transfer from the alkali metal to the substrate. As a result of the charge transfer, the created surface electric field (surface dipole) enhances the transmission probability of valence electrons into the vacuum region.…”
Section: Introductionmentioning
confidence: 99%