Near-surface electric fields of orientation-structured adsorbates
A calculation has been carried out of the electric field created by the orientation-structured monolayer of polar molecules near the surface. The square lattice of dipoles oriented like the CO/NaCl(100) structure is examined as an example. A substantial difference is shown between the electric field...
Збережено в:
| Дата: | 2006 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | Російська |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2006
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| Онлайн доступ: | https://surfacezbir.com.ua/index.php/surface/article/view/175 |
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| Назва журналу: | Surface |
| Завантажити файл: |  |
Репозитарії
Surface| Резюме: | A calculation has been carried out of the electric field created by the orientation-structured monolayer of polar molecules near the surface. The square lattice of dipoles oriented like the CO/NaCl(100) structure is examined as an example. A substantial difference is shown between the electric fields of a dipole monolayer and a single polar molecule: the electric field of a monolayer decreases exponentially when the distance from the surface increases, while the field of a single molecule decreases by a power law. The results obtained may be used for an analysis of the adsorption interactions screened by a monolayer of polar molecules, and for the calculations of spectroscopic characteristics of the adsorbates taking into account polarization effects in the substrate. |
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