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EnglishThe thermal stability of the (1×2) missing-row phase of Rh(110), whose first layer is an ordered array of one-dimensional atomic chains, is investigated using high-resolution core-level spectroscopy and density functional calculations. The time evolution of the spectra indicates that this phase is metastable towards deconstruction into a (1×1) phase. Our calculations unveil the mechanism of this process, which is shown to be ignited by surface defects, and provide a value for the activation energy in good agreement with experimental findings.
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http://hdl.handle.net/20.500.11767/16937| Titolo: | Thermal stability of the Rh(110) missing-row reconstruction: Combination of real-time core-level spectroscopy and ab initio modeling |
| Autori: | BARALDI A; LIZZIT S; BONDINO F; COMELLI G; ROSEI R; SBRACCIA C; BONINI N; BARONI S; MIKKELSEN A; ANDERSEN JN |
| Rivista: | PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS |
| Data di pubblicazione: | 2005 |
| Volume: | 72 |
| Pagina iniziale: | 075417 |
| Appare nelle tipologie: | 1.1 Journal article |
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|---|---|---|---|---|---|---|
| PhysRevB.72.075417.pdf | 409.19 kB | Adobe PDF | N/A | Non specificato | Administrator Richiedi una copia |
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