Transmission of low energy (<10 eV) 16O+ ions through condensed ammonia and water overlayers
作者： Mustafa Akbulut , Norbert J. Sack , Theodore E. Madey
DOI: 10.1063/1.469695
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摘要: We have studied the transmission of low energy (<10 eV) 16O+ ions through ultrathin films condensed molecular solids, NH3 and H218O, in order to address fundamental scattering processes that occur desorption from below surface solids. with a peak ∼7 eV narrow angular distribution [full‐width at half‐maximum (FWHM) ∼15°] are generated by means electron stimulated (ESD) an 16O oxidized W(100) their yield, measured digital ESDIAD (ESD ion distribution) detector. Ultrathin H218O known thickness on 25 K changes observed as function coverage. find adsorption only 0.5 monolayer is enough suppress emission factor 100, while three monolayers necessary for equivalent suppression emission. The an...
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