Author/Authors :
A. Kirakosian، نويسنده , , A. Lauren Crain، نويسنده , , J.N. and Lin، نويسنده , , J.-L. and McChesney، نويسنده , , J.L. and Petrovykh، نويسنده , , D.Y. and Himpsel، نويسنده , , F.J. and Bennewitz، نويسنده , , R.، نويسنده ,
Abstract :
Scanning tunneling microscopy images of the Si(1 1 1)5×2–Au surfaces exhibit irregularly distributed protrusions of atomic size. They are identified as silicon adatoms by evaporating small amounts of silicon and gold onto the reconstructed surface. While extra silicon increases the density of protrusions, extra gold transforms the reconstruction partially into a Si(1 1 1)√3×√3 reconstruction.
Keywords :
Scanning tunneling microscopy , surface structure , morphology , Roughness , and topography , Silicon , Surface relaxation and reconstruction
