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| Título: | Femtosecond electron dynamics of image-potential states on clean and oxygen-covered Pt(111) |
Autor: | Link, S.; Dürr, A.; Bihlmayer, Gustav; Blügel, S.; Eberhardt, W.; Chulkov, Eugene V. CSIC ORCID; Silkin, Viatcheslav M. CSIC ORCID; Echenique, Pedro M. CSIC ORCID | Fecha de publicación: | 2001 | Editor: | American Physical Society | Citación: | Physical Review B 63(11): 115420 (2001) | Resumen: | We have investigated the lifetimes of image-potential states on the Pt(111) surface with time-resolved two-photon photoemission and first-principles calculations. Electrons populating the first two image-potential states decay into bulk states after 26±7 and 62±7 fs, respectively. This is in agreement with results of theoretical calculations. Oxygen adsorption reduces the image-potential state lifetimes by a factor of 2. This is caused by a strong change of the electronic structure near the Fermi level. | Versión del editor: | https://doi.org/10.1103/PhysRevB.63.115420 | URI: | http://hdl.handle.net/10261/224733 | DOI: | 10.1103/PhysRevB.63.115420 | ISSN: | 2469-9950 |
| Aparece en las colecciones: | (CFM) Artículos |
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| femtoPt.pdf | 217,18 kB | Adobe PDF |  Visualizar/Abrir |
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