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- W2230887954 abstract "Using x-ray photoelectron spectroscopy (XPS), synchrotron x-ray photoelectron spectroscopy (SXPS), low-energy electron diffraction (LEED), and Fourier- transform infrared absorption spectroscopy (FTIR) we have investigated structure and composition of hydrogen saturated $4Htext{ensuremath{-}}mathrm{Si}mathrm{C}(1overline{1}00)$ and $(11overline{2}0)$ surfaces. The hydrogen saturated surfaces are clean and unreconstructed. On both surface orientations a hydrogen induced surface core level shift is observed in the C $1s$ spectra, which is consistent with carbon monohydrides. The identification of a corresponding component in the Si $2p$ spectra is discussed. On $4Htext{ensuremath{-}}mathrm{Si}mathrm{C}(1overline{1}00)$ a sharp absorption line due to the $mathrm{Si}ensuremath{-}mathrm{H}$ stretch mode indicates the presence of silicon monohydrides. Structural models for hydrogen saturated $4Htext{ensuremath{-}}mathrm{Si}mathrm{C}(1overline{1}00)$ and $(11overline{2}0)$ surfaces are proposed which are consistent with our spectroscopic results. Annealing in ultrahigh vacuum leads to considerable changes in the core level spectra although the surface periodicity remains unchanged at $(1ifmmodetimeselsetexttimesfi{}1)$. The thermally induced line shape variations are more prominent in the C $1s$ spectra than in the Si $2p$ spectra." @default.
- W2230887954 created "2016-06-24" @default.
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- W2230887954 date "2005-06-30" @default.
- W2230887954 modified "2023-10-18" @default.
- W2230887954 title "Hydrogen terminated<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mn>4</mml:mn><mml:mi>H</mml:mi><mml:mtext>−</mml:mtext><mml:mi mathvariant=normal>Si</mml:mi><mml:mi mathvariant=normal>C</mml:mi><mml:mrow><mml:mo>(</mml:mo><mml:mn>1</mml:mn><mml:mover accent=true><mml:mn>1</mml:mn><mml:mo stretchy=false>¯</mml:mo></mml:mover><mml:mn>00</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>and<mml:math xmlns:mml=http://www.w3.org/1998/Math…" @default.
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- W2230887954 doi "https://doi.org/10.1103/physrevb.71.245333" @default.
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