| Home > Publications database > A novel Sb induced reconstruction of the (113) surface of Ge |
| Journal Article | PreJuSER-4613 |
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2002
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/1324 doi:10.1103/PhysRevLett.88.226102
Abstract: Sb induces on Ge(113) a c(2x2) reconstruction in which Sb breaks one Ge-Ge bond and occupies an interstitial site, in contrast to Sb adsorption on other Si or Ge surfaces. Sb saturates the three dangling bonds per unit cell of the (113) surface inducing a large strain which is released by occupation of the interstitial site. Two neighboring Sb at interstitial sites form a dimer. The structure has been determined by x-ray diffraction, applying direct methods, and ab initio density-functional-theory calculations. The adsorption geometry and the high binding energy lead one to expect that Sb cannot be used as a surfactant for the growth of Si/Ge layers on the (113) surface.
Keyword(s): J
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