2001
DOI: 10.1103/physrevb.64.075317
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First-principles calculations of the adsorption of S on theSi(001)c(4×2)surface

Abstract: The adsorption of S on the Si(001)c(4ϫ2) surface is studied by first-principles total-energy calculations. We started with the adsorption of a single atom up to a full-monolayer coverage. The first S atom occupies a bridge site, on top of a Si dimer that becomes completely symmetric. At half-monolayer coverage, all bridge sites are occupied, and all Si dimers become symmetric. The overall periodicity is (2ϫ1). The adsorption of an additional S atom results in the breaking of two Si dimers. From this point and … Show more

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Cited by 4 publications
(2 citation statements)
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“…This was combined with a similar (SD) dynamics of the ions to determine the optimum surface structure. The geometry used in the calculations has been extensively tested previously in similar systems [21,22], while the Cl pseudopotential was used in a study of the adsorption of Cl and HCl on Ge(001) [23].…”
Section: Methodsmentioning
confidence: 99%
“…This was combined with a similar (SD) dynamics of the ions to determine the optimum surface structure. The geometry used in the calculations has been extensively tested previously in similar systems [21,22], while the Cl pseudopotential was used in a study of the adsorption of Cl and HCl on Ge(001) [23].…”
Section: Methodsmentioning
confidence: 99%
“…Оксидативний стрес є ключовою частиною ланцюга подій, що призводять до запалення. Гранулоцитарні пероксидази виконують функцію тригерів в оксидативному стресі [18]. Вважають, що АФО й оксидативний стрес відіграють цен-тральну роль у виникненні дисфункції клітин та ушкодження тканин.…”
unclassified