Regensburg 2016 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 48: Poster Session II

MA 48.29: Poster

Donnerstag, 10. März 2016, 15:00–18:00, Poster B1

Sub-monolayer film growth of volatile β-dikenonate lanthanide complexes on metallic surfaces — •Jinjie Chen¹, Hironari Issihiki¹, Kevin Edelmann^{1, 2}, and Wulf Wulfhekel^{1, 2} — ¹Physikalisches Institut, Karlsruhe Institute of Technology (KIT) — ²Institut for Nanotechnology, Karlsruhe Institute of Technology (KIT)

We demonstrate that volatile β-dikenonate lanthanide complexes can be deposited on various metallic surfaces in ultra-high vacuum without molecule decomposition and surface contamination. The morphology of the well assembled sub-monolayer molecular films was studied by scanning tunneling microscopy at 5 K. The molecules order in commensurate structure on Cu(111), Ag(111). On Au(111), they nucleate at the elbows of the reconstruction. Delocalized molecular orbitals were found in scanning tunneling spectroscopy and spatially imaged by dI/dV maps. Our work expended the catalogue for rare earth magnetic molecules which can be studied by scanning tunneling microscopy.