Dev, B. N. ; Materlik, G. ; Grey, F. ; Johnson, R. L. ; Clausnitzer, M. (1986) Geometrical structures of the ge/si(111) interface and the si(111) (7×7) surface Physical Review Letters, 57 (24). pp. 3058-3061. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v57/i24/p3058_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.57.3058
Abstract
The structure of the germanium-silicon interface has been analyzed by x-ray standing waves in an ultrahigh-vacuum environment. Structural models of the Si(111) (7×7) surface have been tested through the structure and energetics of the Si(111)(7×7)-Ge interface. Our results agree with the dimer-adatom stacking-fault model of Takayanagi et al. for the bare surface. At the interface, Ge atoms occupy the atop sites on the surface atoms that offer dangling bonds as well as on the adatoms of the dimer-adatom stacking-fault model of the Si(111) (7×7) surface.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 10024 |
| Deposited On: | 02 Nov 2010 10:06 |
| Last Modified: | 30 May 2011 06:09 |
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