| Issue |
Europhys. Lett.
Volume 52, Number 2, October II 2000
|
|
|---|---|---|
| Page(s) | 189 - 195 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00422-6 | |
| Published online | 01 September 2002 | |
-resolved electronic structure of quasi-free 2-dimensional 
clusters
Institut für Experimentelle und
Angewandte Physik, Universität Kiel D-24118 Kiel, Germany
Received:
28
March
2000
Accepted:
25
August
2000
Employing van der Waals epitaxy we grow quasi-free 2-dimensional clusters of
layered materials. The weak coupling between the layers enables the clusters
to reveal their intrinsic properties undisturbed by the underlying
substrate. Their orientations being well ordered allow 
-resolved
measurements. Applying angle-resolved photoemission in combination
with scanning tunneling microscopy to the same samples allows to study the
evolution of the electronic structure with increasing cluster size. For 2D
clusters grown on 
we demonstrate that
dispersion already occurs for cluster diameters of ≈ 100 nm.
PACS: 71.24.+q – Electronic structure of clusters and nanoparticles / 61.46.+w – Clusters, nanoparticles, and nanocrystalline materials / 73.20.Dx – Electron states in low-dimensional structures (superlattices, quantum well structures and multilayers)
© EDP Sciences, 2000
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