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@ARTICLE{Lssem:57559,
author = {Lüssem, B. and Müller-Meskamp, B. and Karthäuser, S. and
Waser, R. and Homberger, M. and Simon, U.},
title = {{STM} study of mixed alkanethiol/biphenylthiol
self-assembled monolayers on {A}u(111)},
journal = {Langmuir},
volume = {22},
number = {7},
issn = {0743-7463},
address = {Washington, DC},
publisher = {ACS Publ.},
reportid = {PreJuSER-57559},
pages = {3021 - 3027},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {A method is presented for depositing mixed self-assembled
monolayers (SAMs) of dodecanethiol (C12) and
4'-methyl-1,1'-biphenyl-4-butane (H3C-C6H4-C6H4-(CH2)4-SH,
BP4) by insertion of BP4 into a closely packed SAM of
dodecanethiol on Au(111). Insertion takes place at defect
sites such as domain boundaries or etch pits in the gold
surface that are characteristic of C12 monolayers on gold.
With a lower probability, insertion also occurs beside
defect sites inside dodecanethiol domains. Insertion at
defect sites results in domains of BP4, whereas insertion
into C12 domains leads to isolated BP4 molecules. The
isolated BP4 molecules are shown not to move at room
temperature. By comparing the apparent height of the
isolated BP4 molecules and BP4 domains, it is proposed that
the isolated molecules have the same conformation as in the
full-coverage phase. A simple two-layer model is proposed to
characterize the current transport through BP4. The decay
constant beta for the phenylene groups is deduced from the
apparent STM heights of the inserted BP4 islands compared to
the STM heights of the C12 closely packed monolayers.},
keywords = {J (WoSType)},
cin = {IFF-IEM / JARA-FIT},
ddc = {670},
cid = {I:(DE-Juel1)VDB321 / $I:(DE-82)080009_20140620$},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Chemistry, Multidisciplinary / Chemistry, Physical /
Materials Science, Multidisciplinary},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:16548552},
UT = {WOS:000236843300021},
doi = {10.1021/la052791u},
url = {https://juser.fz-juelich.de/record/57559},
}