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@ARTICLE{Wei:280915,
author = {Weiß, S. and Lüftner, D. and Ules, T. and Reinisch, E. M.
and Kaser, H. and Gottwald, A. and Richter, M. and Soubatch,
S. and Koller, G. and Ramsey, M. G. and Tautz, Frank Stefan
and Puschnig, P.},
title = {{E}xploring three-dimensional orbital imaging with
energy-dependent photoemission tomography},
journal = {Nature Communications},
volume = {6},
issn = {2041-1723},
address = {London},
publisher = {Nature Publishing Group},
reportid = {FZJ-2016-00626},
pages = {8287 -},
year = {2015},
abstract = {Recently, it has been shown that experimental data from
angle-resolved photoemission spectroscopy on oriented
molecular films can be utilized to retrieve real-space
images of molecular orbitals in two dimensions. Here, we
extend this orbital tomography technique by performing
photoemission initial state scans as a function of photon
energy on the example of the brickwall monolayer of
3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA) on
Ag(110). The overall dependence of the photocurrent on the
photon energy can be well accounted for by assuming a plane
wave for the final state. However, the experimental data,
both for the highest occupied and the lowest unoccupied
molecular orbital of PTCDA, exhibits an additional
modulation attributed to final state scattering effects.
Nevertheless, as these effects beyond a plane wave final
state are comparably small, we are able, with extrapolations
beyond the attainable photon energy range, to reconstruct
three-dimensional images for both orbitals in agreement with
calculations for the adsorbed molecule.},
cin = {PGI-3 / JARA-FIT},
ddc = {500},
cid = {I:(DE-Juel1)PGI-3-20110106 / $I:(DE-82)080009_20140620$},
pnm = {141 - Controlling Electron Charge-Based Phenomena
(POF3-141)},
pid = {G:(DE-HGF)POF3-141},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000364920100001},
pubmed = {pmid:26437297},
doi = {10.1038/ncomms9287},
url = {https://juser.fz-juelich.de/record/280915},
}