Download Metal Clusters at Surfaces: Structure, Quantum Properties, by Karl-Heinz Meiwes-Broer PDF

By Karl-Heinz Meiwes-Broer

Numerous experiments and calculations have proven that remoted steel clusters own many attention-grabbing good points, particularly varied from these recognized from floor and good- kingdom physics or from atomic and molecular physics. The technological exploitation of those new houses, e.g. in miniature digital or mechanical elements, calls for the cluster to be introduced into an atmosphere corresponding to an encapsulating matrix or a floor. end result of the interplay with the touch medium, the homes of the clusters may perhaps swap or perhaps disappear. hence the physics of cluster-on-surface structures -- the most topic of this publication -- is of primary value. The booklet addresses a large viewers, from the newcomer to the professional. ranging from primary suggestions of adsorbate-surface interactions, the amendment of digital houses via electron confinement, and ideas of cluster construction, it elucidates the specific homes of the recent steel nanostructures.

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Extra resources for Metal Clusters at Surfaces: Structure, Quantum Properties, Physical Chemistry

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The contrast between domains and domain walls is an electronic effect which can be attributed to the lateral interaction of the Xe atoms within the adsorbate layer. This lateral interaction is strongly dependent on the interatomic distance as has been shown for the occupied states of the Xe monolayer [11,12]. In Fig. 2 V) the interaction causes a broadening of the unoccupied Xe bands in the compressed areas of the domains. These are then contributing to the tunneling current at lower gap voltages as compared to the domain-wall regions, which consequently appear darker in the STM images.

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