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    Nanotechnology. 2008 May 7;19(18):185708. doi: 10.1088/0957-4484/19/18/185708. Epub 2008 Apr 2.

    High resolution LT-STM imaging of PTCDA molecules assembled on an InSb(001) c(8 × 2) surface.

    Source

    Centre for Nanometer-Scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy, and Applied Computer Science, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland.

    Abstract

    The self-assembling of 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) molecules deposited on an InSb(001) c(8 × 2) surface at sub-monolayer quantities has been investigated at low temperature (77 K) using scanning tunnelling microscopy. Sub-molecular resolution was obtained on PTCDA molecules. The results reveal that individual PTCDA molecules are arranged on the substrate in chains parallel to the [110] crystallographic direction, correlated with characteristic features of the low temperature InSb(001) c(8 × 2) surface electronic structure. A structural model for PTCDA molecules adsorbed on InSb is proposed.

    PMID:
    21825704
    [PubMed]

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