Comparative Study of Ion Desorption from Clean and Contaminated TiO2(110) Surfaces by Slow Positron Impacts
We have compared positron-annihilation-induced ion desorption from clean and contaminated TiO2 surfaces. While O+ ions from the clean surface were detected, H+ ion desorption was observed for the contaminated surface. These results indicate that positron-stimulated desorption is sensitive to changes...
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Veröffentlicht in: | E-journal of surface science and nanotechnology 2015/05/30, Vol.13, pp.261-262 |
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creator | Tachibana, Takayuki Hirayama, Takato Nagashima, Yasuyuki |
description | We have compared positron-annihilation-induced ion desorption from clean and contaminated TiO2 surfaces. While O+ ions from the clean surface were detected, H+ ion desorption was observed for the contaminated surface. These results indicate that positron-stimulated desorption is sensitive to changes in the surface environment. [DOI: 10.1380/ejssnt.2015.261] |
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While O+ ions from the clean surface were detected, H+ ion desorption was observed for the contaminated surface. These results indicate that positron-stimulated desorption is sensitive to changes in the surface environment. 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subjects | Cleaning Contamination Desorption Desorption induced by electronic transitions (DIET) Electron stimulated desorption (ESD) Electronic publishing Nanotechnology Positron spectroscopy Positron-solid interactions Positrons Titanium dioxide |
title | Comparative Study of Ion Desorption from Clean and Contaminated TiO2(110) Surfaces by Slow Positron Impacts |
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