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@ARTICLE{Feyer:255820,
author = {Feyer, V. and Graus, M. and Nigge, P. and Zamborlini, G.
and Acres, R. G. and Schöll, A. and Reinert, F. and
Schneider, C. M.},
title = {{T}he geometric and electronic structure of {TCNQ} and
{TCNQ}+{M}n on {A}g(001) and {C}u(001) surfaces},
journal = {Journal of electron spectroscopy and related phenomena},
volume = {204},
issn = {0368-2048},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2015-05931},
pages = {125 - 131},
year = {2015},
abstract = {Copper and silver surfaces can be used as model systems to
study structure formation and interfacial bonding upon
adsorption of organic molecules. We have investigated the
geometric and electronic structure of ordered monolayers of
TCNQ on Cu(0 0 1) and Ag(0 0 1) and of TCNQ+Mn on Ag(0 0 1)
surfaces by LEED and photoelectron momentum microscopy.
While TCNQ forms an incommensurable superstructure on Cu(0 0
1), two coverage-dependant, commensurable superstructures
are established on Ag(0 0 1). Subsequent adsorption of Mn on
top of TCNQ/Ag(0 0 1) results in the formation of a
long-range ordered mixed metal–organic superstructure,
which is also commensurable with the Ag(0 0 1) substrate.
The photoelectron spectroscopy (PES) data shows a filling of
the TCNQ LUMO by charge transfer from the substrate for all
investigated interfaces and the coadsorption of Mn leads to
an energy shift of the TCNQ HOMO and LUMO of 230 meV with
respect to TCNQ/Ag(0 0 1). The characteristic
angle-dependent intensity pattern of the TCNQ LUMO in PES
was utilized to investigate the azimuthal orientation of the
molecules in the respective unit cells. The angle-resolved
PES data was further analyzed to identify lateral band
dispersion effects in the adsorbate layers, but no
significant dispersion was observed.},
cin = {PGI-6},
ddc = {620},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {522 - Controlling Spin-Based Phenomena (POF3-522)},
pid = {G:(DE-HGF)POF3-522},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000363078400015},
doi = {10.1016/j.elspec.2015.02.010},
url = {https://juser.fz-juelich.de/record/255820},
}