期刊
PHYSICAL REVIEW LETTERS
卷 122, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.196101
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资金
- Deutsche Forschungsgemeinschaft (DFG) [535/1-1]
- Deutsche Forschungsgemeinschaft (DFG) via GRK (Research Training Group) 2204 Substitute Materials for Sustainable Energy Technologies
The chemical structure and orientation of molecules on surfaces can be visualized using low temperature atomic force microscopy with CO-functionalized tips. Conventionally, this is done in constant-height mode by measuring the frequency shift of the oscillating force sensor. However, this method is unsuitable for analyzing 3D objects. We are using the tunneling current to track the topography while simultaneously obtaining submolecular resolution from the frequency shift signal. Thereby, the conformation of 3D molecules and the adsorption sites on the atomic lattice can be reliably determined.
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