Sb trimer structure of the InSb(111)B-(2×2) surface as determined by transmission electron diffraction

Abstract

We have proposed a new model for this Sb-stabilized InSb(111)B-(2\ifmmode\times\else\texttimes\fi{}2) reconstructed surface prepared by molecular beam epitaxy. Adsorption of Sb trimers at a fourfold atop site of the outermost Sb layers is confirmed by intensity analysis of transmission electron diffraction patterns obtained from the reconstructed surface. Also, Auger electron spectroscopy measurements provided a satisfactory surface composition for the InSb(111)B-(2\ifmmode\times\else\texttimes\fi{}2) surface.