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Structure determination of the indium-induced Si(111)-(4x1) reconstruction by surface x-ray diffraction

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arxiv cond-mat/9909286 v1 pith:X7NL3G4D submitted 1999-09-20 cond-mat.mtrl-sci

Structure determination of the indium-induced Si(111)-(4x1) reconstruction by surface x-ray diffraction

classification cond-mat.mtrl-sci
keywords reconstructionatomschainsdataindiumindium-inducedmodelsilicon
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A detailed structural model for the indium-induced Si(111)-(4x1) surface reconstruction has been determined by analyzing an extensive set of x-ray-diffraction data recorded with monochromatic ($\hbar\omega$ = 9.1 keV) synchrotron radiation. The reconstruction is quasi-one-dimensional. The main features in the structure are chains of silicon atoms alternating with zigzag chains of indium atoms on top of an essentially unperturbed silicon lattice. The indium coverage corresponds to one monolayer. The structural model consistently explains all previously published experimental data.

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