J J Kolodziej et al 2007 Nanotechnology 18 135302 doi:10.1088/0957-4484/18/13/135302
J J Kolodziej, M Goryl, J Konior, F Krok and M Szymonski
Show affiliationsPTCDA (3,4,9,10-perylene-tetracarboxylic-dianhydride) molecular structures assembled on an InSb(001) c(8 × 2) reconstructed surface have been studied using frequency modulated atomic force microscopy. The high-resolution imaging of the structures is possible through repulsive interactions, using the constant height scanning mode. During initial stages of growth the [110] diffusion channel dominates as indicated by formation of long PTCDA molecular chains parallel to the [110] crystallographic direction on the InSb surface. For a single monolayer coverage a wetting layer of PTCDA is formed. Finally it is shown that the PTCDA/InSb is a promising system for building molecular nanostructures by manipulation of single molecules with the AFM tip.
68.37.Ps Atomic force microscopy (AFM)
68.35.B- Structure of clean surfaces (and surface reconstruction)
Surfaces, interfaces and thin films
Issue 13 (4 April 2007)
Received 1 November 2006, in final form 4 January 2007
Published 28 February 2007
J J Kolodziej et al 2007 Nanotechnology 18 135302
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