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Surface Science and Nanostructures Laboratory

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For device applications, it is important not only to self-assemble the nanostructures, but to order them into defined geometrical patterns, as well. Vicinal (miscut) surfaces consist of periodic terrace-step arrangements, which can be used as natural templates for such ordering. In the figure below, self-organization of self-assembled CoSi2 nanocrystals on the step-trains of vicinal Si(111) surface is shown

Indium can form finger-like islands (left) of rings (right) on telurium atom rows terminating CdZnTe substrate

Epitaxially self-assembled magnetic Fe-Ni-Si islands

Atomic resolution HAADF of cross-section of epitaxially self-assembled magnetic Fe-Ni-Si islands, showing Si-Si bond structure of the Si substrate, and Si-Fe(Ni)-Si bonds of the islands

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