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EnglishThe paper describes a procedure for measuring the initial sticking coefficient of gases on clean surfaces. The method is based on the determination of the rate of increase of coverage with total exposure to impinging particles using a combination of an Electron Energy Loss Spectrometer with a nozzle beam source. The adsorption of O2 on Ag (001) has been studied. For a crystal temperature of 300 K and for an O2 beam impinging on the crystal at normal incidence and at an energy of 88 meV, the adsorption is dissociative and we find an initial sticking coefficient of (7.9 +/- 2.8) 10(-4).
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| Titolo: | Initial Sticking Coefficient of O2 on Ag(001) |
| Autori: | |
| Data di pubblicazione: | 1990 |
| Rivista: | |
| Abstract: | The paper describes a procedure for measuring the initial sticking coefficient of gases on clean surfaces. The method is based on the determination of the rate of increase of coverage with total exposure to impinging particles using a combination of an Electron Energy Loss Spectrometer with a nozzle beam source. The adsorption of O2 on Ag (001) has been studied. For a crystal temperature of 300 K and for an O2 beam impinging on the crystal at normal incidence and at an energy of 88 meV, the adsorption is dissociative and we find an initial sticking coefficient of (7.9 +/- 2.8) 10(-4). |
| Handle: | http://hdl.handle.net/11567/388467 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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