Dresden 2009 – scientific programme

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O: Fachverband Oberflächenphysik

O 26: Nanostructures at surfaces: Dots, particles, clusters II (SPM)

O 26.7: Talk

Tuesday, March 24, 2009, 16:30–16:45, SCH A215

Local electronic properties of individual nanostructures on the boron nitride nanomesh — •Christian H. Michaelis, Sangita Bose, Ivan Brihuega, and Klaus Kern — Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart

We present the final development of a home-built sub-Kelvin STM which operates in ultra high vacuum conditions, is equipped with a 14 Tesla magnet and has a base temperature of 0.9 K. We have used this low temperature STM for the spectroscopic study of isolated nanostructures and molecules on top of a boron nitride ultrathin insulating spacer on Rh(111). This combination offers the unique possibility of investigating the local electronic properties of atomic-scale structures with ultimate energy resolution. As examples we will discuss magnetic and superconducting metal clusters and functional organic molecules.