Beilstein J. Nanotechnol.2020,11, 1615–1622, doi:10.3762/bjnano.11.144
on CaF2(111) of nearly flat-lying PTCDA molecules with two oxygen atoms displaced towards calcium surface ions. This geometry is in agreement with the experimental observations.
Keywords: calcium difluoride; decoupling; insulatingthinfilm; 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA
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Figure 1:
STM images of PTCDA molecules on (a) Si(111)-(7 × 7), (b) partly CaF1-covered Si(111), and (c) CaF2...