Observation of individual molecules trapped on a nanostructured insulator

Details Observation of individual molecules trapped on a nanostructured insulator Observation of individual molecules trapped on a nanostructured insulator

2005-11-22

arxiv.org/abs/physics/0511187v1

Nanoletters 4 (2004) 2185-2189

Physics

Atomic and Molecular Clusters

Scientific paper

10.1021/nl048693v

For the first time, ordered polar molecules confined in monolayer-deep rectangular pits produced on an alkali halide surface by electron irradiation have been resolved at room temperature by non-contact atomic force microscopy. Molecules self-assemble in a specific fashion inside pits of width smaller than 15 nm. By contrast no ordered aggregates of molecules are observed on flat terraces. Conclusions regarding nucleation and ordering mechanisms are drawn. Trapping in pits as small as 2 nm opens a route to address single molecules.

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