Transmission of low energy (<10 eV) O+ ions through several monolayer thick rare gas films.
作者： Norbert J. Sack , Mustafa Akbulut , Theodore E. Madey
DOI: 10.1103/PHYSREVLETT.73.794
关键词: Argon 、 Analytical chemistry 、 Monolayer 、 Ion 、 Atomic physics 、 Scattering 、 Elastic scattering 、 Xenon 、 Materials science 、 Krypton 、 Adsorption
摘要: We present the first systematic study of transmission low energy oxygen ions ([lt]10 eV) through ultrathin films Ar, Kr, and Xe. For rare gas adsorbed on an oxidized W(100) surface, we find that a small fraction O[sup +] can penetrate more than 5 ML thick Kr The attenuation is strongest for Ar overlayers. attribute attenutation to elastic scattering mainly with atoms. suggest structural characteristics this surface are cause in 1-2 monolayers.
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