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@ARTICLE{Bocquet:859057,
author = {Bocquet, F. C. and Giovanelli, L. and Ksari, Y. and
Ovramenko, T. and Mayne, A. J. and Dujardin, G. and
Spillebout, F. and Sonnet, P. and Bondino, F. and Magnano,
E. and Themlin, J-M},
title = {{P}eculiar covalent bonding of {C} 60 /6 {H}
-{S}i{C}(0 0 0 1)-(3 × 3) probed by photoelectron
spectroscopy},
journal = {Journal of physics / Condensed matter Condensed matter},
volume = {30},
number = {50},
issn = {1361-648X},
address = {Bristol},
publisher = {IOP Publ.80390},
reportid = {FZJ-2019-00008},
pages = {505002 -},
year = {2018},
abstract = {High resolution photoemission with synchrotron radiation
was used to study the interfaceformation of a thin layer of
C60 on 6H-SiC(0 0 0 1)-(3 × 3), characterized by
protrudingSi-tetramers. The results show that C60 is
chemisorbed by orbital hybridization between
thehighest-occupied molecular orbital (HOMO) and the pz
orbital of Si adatom at the apex ofthe tetramers. The
covalent nature of the bonding was inferred from core level
as well asvalence band spectra. The Si 2p spectra reveal
that a large fraction (at least $45\%)$ of the Siadatoms
remain unbound despite the reactive character of the
associated dangling bonds.This is consistent with a model in
which each C60 is attached to the substrate through a
singlecovalent C60–Si bond. A binding energy shift of the
core levels associated with sub-surface Sior C atoms
indicates a decrease of the SiC band bending caused by a
charge transfer from theC60 molecules to the substrate via
the formation of donor-like interface states.},
cin = {PGI-3},
ddc = {530},
cid = {I:(DE-Juel1)PGI-3-20110106},
pnm = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
pid = {G:(DE-HGF)POF3-523},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30468155},
UT = {WOS:000451067900001},
doi = {10.1088/1361-648X/aaed1a},
url = {https://juser.fz-juelich.de/record/859057},
}