Surface potential of a polar oxide film : FeO on Pt ( 111 )

@inproceedings{Rienks2005SurfacePO,
  title={Surface potential of a polar oxide film : FeO on Pt ( 111 )},
  author={Emile D. L. Rienks and Niklas Nilius and H. Rust},
  year={2005}
}
We have studied a thin FeO film on Pt s111d using scanning tunneling microscopy. The corrugation of the Moiré pattern, that arises due to a lattice mismatch between the oxide film and the substrate, is found to increase dramatically when the microscope is operated in the field-emission regime. This contrast enhancement can be attributed to variations in the energy at which field-emission resonances are observed. We assign this effect to variations of the surface potential within the Moiré unit… CONTINUE READING
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