Searching atomic spin contrast on nickel oxide (001) by force microscopy

  title={Searching atomic spin contrast on nickel oxide (001) by force microscopy},
  author={Martin Schmid and Franz J. Giessibl and J. Mannhart},
  journal={Physical Review B},
The (001) surface of NiO, an antiferromagnet at room temperature, was investigated under ultrahigh vacuum conditions with frequency modulation atomic force microscopy. The antiferromagnetic coupling between ions leads to a spin superstructure on (001) surfaces. Exchange interaction between the probe of a force microscope and the NiO (001) surface should allow us to image spin superstructures in real space. The surface was imaged with three different probing tips: nonmagnetic W tips… Expand

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