Abstract

The Au(100) single crystal surface has been investigated at room temperature, in air, by scanning tunneling microscopy (STM). After sputter-annealing procedure the 1 by 1 surface partially reconstructs to form quasi-hexagonal domains. The reconstructed structure was found to be not twisted, with the interatomic distance of 2.9 plus or minus 0.2 angstrom. This result remains in good agreement with STM and surface x ray scattering (SXS) data performed in ultra high vacuum as well as in situ in the electrochemical cell.

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