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Molecular growth determined by surface domain patterns

  • John Ahlund
  • Katharina Nilson
  • Pal Palmgren
  • Emmanuelle Gothelid
  • Joachim Schiessling
  • Mats Gothelid
  • Nils Mårtensson
  • Carla Puglia
Publiceringsår: 2008
Språk: Engelska
Sidor: 6887-6890
Publikation/Tidskrift/Serie: Journal of Physical Chemistry C
Volym: 112
Nummer: 17
Dokumenttyp: Artikel
Förlag: American Chemical Society


The growth of iron phthalocyanine (FePc) on InSb(001) c(8 x 2) at submonolayer coverage has been investigated with scanning tunneling microscopy (STM). FePc adsorbs flat centered on the In rows both at 70 K and at room temperature (RT). However, the shapes of the two-dimensional molecular islands are fundamentally different; while the RT growth results in chainlike structures along the [I 10] direction, as already observed for other Pc's adsorbed on the same surface, the islands are prolonged along [110], i.e., perpendicular to the substrate rows, at 70 K. These observations are explained on the basis of a recently observed new surface phase at low temperature, resulting in structural domains on the surface. The molecular growth front follows the propagating domain boundary that freezes at low temperature.



  • Natural Sciences
  • Physical Sciences


  • ISSN: 1932-7447

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