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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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O: Fachverband Oberflächenphysik

O 20: Oxides II: Structures, Interactions and Reducibility

O 20.10: Talk

Monday, March 16, 2020, 18:00–18:15, WIL B321

Structure and properties of Cs ions grown on ZnO/Ag(111) — •Ting-Chieh Hung and Karina Morgenstern — Chair of Physical Chemistry I, Ruhr-University of Bochum, Bochum, Germany

Zinc oxide (ZnO) is a broad direct bandgap semiconductor, which is widely used as a catalyst. Therefore, the properties of ZnO and interaction between ZnO and molecules have been investigated extensively. However, the microscopic views and properties of the adsorbed molecules and ions interacting on ZnO ultrathin layers supported by metal substrates have remain unexplored. To understand the interaction between water molecules and ions on ZnO ultrathin layer, we first investigated the structures and properties of the caesium (Cs) ions grown on ZnO(0001)/Ag(111) model system. From scanning tunneling microscopy (STM) images we found that the Cs ions are grown only on the ZnO layer by following its moiré pattern [1]. Further STM results will be presented in this talk.

[1] Q. Pan et al, Catalysis Letters, 2014, 144(4), 648-655.

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