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Electronic structure of on Au(887)
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10.1063/1.2354082
/content/aip/journal/jcp/125/14/10.1063/1.2354082
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/14/10.1063/1.2354082

Figures

Image of FIG. 1.
FIG. 1.

(a) Constant-current image of clean Au(887) . Inset: Processed close-up view to reveal the discommensuration lines running along the direction . (b) Constant-current STM image of at 0.1 ML . (c) Constant-current STM image of at 0.5 ML .

Image of FIG. 2.
FIG. 2.

Spectra of the differential conductivity for 0.5 ML (lower spectrum) and 1.0 ML (upper spectrum). The upper spectrum was offset by . For the lower (upper) spectrum the tunneling barrier was set at and ( and ). The full lines represent fits to the experimental data (depicted as dots).

Image of FIG. 3.
FIG. 3.

Photoemission spectra of the C core level as a function of coverage. As discussed in the text, the large core-level shifts for 3 ML might be explained by photohole screening effects. The inset shows the high resolution spectra of the C satellite structure in 3 ML taken at .

Image of FIG. 4.
FIG. 4.

(Color) Valence band photoemission spectra for layers of different thicknesses. As a function of coverage, the HOMO peak grows whereas the two Au(887) surface states S1 and S2 are quenched.

Image of FIG. 5.
FIG. 5.

Near-edge x-ray absorption spectra at the carbon edge of on Au(887). The filled Gaussian denotes the transition into the HOMO-LUMO gap states of 0.5 ML .

Image of FIG. 6.
FIG. 6.

Band diagrams for coverages of 0.5 ML (left panel) and 1 ML (right panel) on Au(887). For the latter we assume the absence of charge transfer and interfacial dipoles, and hence vacuum level (VL) alignment. For clusters, the presence of gap states allows the electron transfer from the substrate, which in turn leads to an interface dipole.

Tables

Generic image for table
Table I.

Energy positions of molecular orbitals of on Au(887) as derived from Ref. 16 (single molecules) and from fits to the tunneling spectroscopy data presented in Fig. 2.

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/content/aip/journal/jcp/125/14/10.1063/1.2354082
2006-10-13
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electronic structure of C60 on Au(887)
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/14/10.1063/1.2354082
10.1063/1.2354082
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