Wednesday, March 7, 2012, 11:00 am — Conference Rm. B
Single layers of hexagonal boron nitride and graphene on Rh(111) and Ru(0001) form honeycomb-like superstructures with about 3nm lattice constant. These corrugated structures are stable in air and may be used as templates for supramolecular architectures. The peculiar trapping mechanism for single molecules with a diameter of 1 to 2 nm is traced back to strong lateral electric fields within the nanostructure that can be measured with photoemission from adsorbed xenon [1]. Similarities and differences between hexagonal boron nitride and graphene will be highlighted [2]. Efforts for the upscaling of the CVD growth to the 4 inch wafer-scale will be mentioned.
[1] Dil, et al. Science 319 (2008) 1826.
[2] Brugger et al. Phys. Rev. B 79 (2009) 045407.
[3] Greber, e-Journal of Surface Science and Nanotechnology 8 (2010) 62.
Host: Peter Sutter
Hosted by: Peter Sutter
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