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EnglishWe describe an application of the x-ray-standing-wave technique to analyzing noncommensurate surface adsorbate structures. Coherent fractions larger than zero are generally expected if the adsorbate reflects the substrate surface corrugation or potential. We explicitly calculate standing-wave results for an in-plane incommensurate, corrugated adsorbate and for a two-dimensional lattice gas, using a model adsorbate-substrate interaction potential.
http://hdl.handle.net/11384/5209| Titolo: | X-RAY-STANDING-WAVE-ANALYSIS OF NONCOMMENSURATE ADSORBATE STRUCTURES |
| Autori interni: | LA ROCCA, Giuseppe Carlo |
| Data di pubblicazione: | 1991 |
| Rivista: | PHYSICAL REVIEW. B, CONDENSED MATTER |
| Abstract: | We describe an application of the x-ray-standing-wave technique to analyzing noncommensurate surface adsorbate structures. Coherent fractions larger than zero are generally expected if the adsorbate reflects the substrate surface corrugation or potential. We explicitly calculate standing-wave results for an in-plane incommensurate, corrugated adsorbate and for a two-dimensional lattice gas, using a model adsorbate-substrate interaction potential. |
| Handle: | http://hdl.handle.net/11384/5209 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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