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- W1972880954 abstract "Abstract By adsorption of atomic hydrogen the surface structure of the c(4 × 4), (2 × 4) and (4 × 2) surface reconstructions of GaAs(100) is modified. The structural changes of the surfaces are investigated by low energy electron diffraction (LEED) and scanning tunnelling microscopy (STM) and related to the surface electronic modifications revealed by reflectance anisotropy spectroscopy (RAS). This comparison leads to an identification of the origin of the optical anisotropy. Complementary information on the surface stoichiometry is derived by Auger electron spectroscopy (AES) and high resolution electron energy loss spectroscopy (HREELS). Low exposures of atomic hydrogen are found to break the dimer bonds and to lift the related optical anisotropy, while high exposures induce surface etching leading to a Ga-rich (1 × 1) surface." @default.
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- W1972880954 date "1996-05-01" @default.
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- W1972880954 title "Hydrogen induced structure changes of GaAs(100) c(4 × 4), (2 × 4) and (4 × 2) surfaces" @default.
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- W1972880954 doi "https://doi.org/10.1016/0039-6028(95)01092-0" @default.
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