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@ARTICLE{Kakudate:17658,
author = {Kakudate, T. and Tsukamoto, S. and Nakaya, M. and Nakayama,
T.},
title = {{I}nitial stage of adsorption of octithiophene molecules on
{C}u(111)},
journal = {Surface science},
volume = {605},
issn = {0039-6028},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {PreJuSER-17658},
year = {2011},
note = {This work was supported in part by the World Premier
International Research Center (WPI) Initiative on Materials
Nanoarchitectonics, MEXT, Japan. T. N acknowledges the
support of Grant-in-Aid for Scientific Research (A) (No.
22241030-2).},
abstract = {The initial stage of the adsorption of octithiophene (8T)
molecules on a Cu(111) surface is investigated using a
scanning tunneling microscope at room temperature. We find a
characteristic molecular chain structure of 8T molecules on
a terrace of the Cu(111) surface, which has not been
reported so far for adsorption of oligothiophene molecules
on metal surfaces. Up to the adsorption of 0.26 monolayer
(ML), 81 molecules in the molecular chain align with their
long axis parallel to the Cu < 11-2 > direction. With
increasing coverage, there appear 8T molecules that align
with their long axis parallel to the Cu < 110 > direction.
The appearance of different molecular orientations is
understood by the decrease of the number of the adsorption
sites for extending the molecular chains. Fragments of 8T
molecules, such as single thiophene molecules, are also
observed in this work. They are trapped only at the step
edges of the Cu(111) surface at the beginning and later
trapped in a small Cu(111) region surrounded by 8T
molecules. (C) 2011 Elsevier B.V. All rights reserved.},
keywords = {J (WoSType)},
cin = {IAS-1 / PGI-1},
ddc = {540},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Chemistry, Physical / Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000291176200007},
doi = {10.1016/j.susc.2011.02.024},
url = {https://juser.fz-juelich.de/record/17658},
}