TY  - JOUR
AU  - Paßens, Michael
AU  - Karthäuser, Silvia
TI  - Interfacial and intermolecular interactions determining the rotational orientation of C60 adsorbed on Au(111)
JO  - Surface science
VL  - 642
SN  - 0039-6028
CY  - Amsterdam
PB  - Elsevier
M1  - FZJ-2015-05415
SP  - 11 - 15
PY  - 2015
AB  - Close-packed monolayers of fullerenes on metallic substrates are very rich systems with respect to their rotational degrees of freedom and possible interactions with different adsorption sites or next neighbours. In this connection, we report in detail on the (2√3 × 2√3)R30°-superstructure of C60 with respect to the Au(111)-surface. We use molecular orbital imaging in systematic UHV-STM studies to reveal the delicate balance of interfacial and intermolecular interactions in this system. Thus, bright C60-molecules in 5:6-top and 6:6-top geometries are observed depending on the respective next neighbours. Moreover, tiny changes in the appearance of the unoccupied molecular orbitals of dim C60-molecules in hex-vac positions are identified which are caused by the respective interaction with the facets surrounding the Au-vacancy.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000364254500003
DO  - DOI:10.1016/j.susc.2015.07.025
UR  - https://juser.fz-juelich.de/record/203494
ER  -