Structure determination of the indium-induced Ge(103)-(1×1) reconstruction by surface X-ray diffraction

A detailed structural model of the indium-induced Ge(103)-(1×1) surface reconstruction has been established by analyzing an extensive set of X-ray data recorded with synchrotron radiation. Our results show that models with one indium and one germanium adatom per unit cell are incompatible with the d...

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Bibliographic Details
Published in:Applied surface science 1999-04, Vol.142 (1), p.88-93
Main Authors: Bunk, O, Falkenberg, G, Zeysing, J.H, Lottermoser, L, Johnson, R.L, Nielsen, M, Berg-Rasmussen, F, Feidenhans'l, R
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Facets
Germanium
High index
Indium
Physics
Solid surfaces and solid-solid interfaces
Surface structure
Surface structure and topography
Surface X-ray diffraction
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:A detailed structural model of the indium-induced Ge(103)-(1×1) surface reconstruction has been established by analyzing an extensive set of X-ray data recorded with synchrotron radiation. Our results show that models with one indium and one germanium adatom per unit cell are incompatible with the data. A model with two indium adatoms per unit cell saturates all the dangling bonds on the Ge(103) surface, preserves the symmetry and is compatible with all of the experimental results.
ISSN:0169-4332
1873-5584
DOI:10.1016/S0169-4332(98)00719-3