Ag (111)

Momentum Microscope
(NanoESCA with k-space optics):
Ag(111) and small spot VUV source HIS 14 HD

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k-space imaging on Ag(111) with the Momentum Microscope: kx-ky-Image sequence taken by changing of the binding energy EB:

  • FOV in real space: 30µm.
  • FOV in k-space: 3×1/Å.
  • binding energy range: 18.2…- 0.5eV.
  • 25meV energy steps, energy resolution: 100meV.
  • excitation: 21.2eV VUV photons (small spot VUV source HIS 14 HD).
  • acquisition time/image: changing from 5s to 25s to improve contrasts.
  • number of single k-space images: 750
  • total acquisition time: ca. 150min

See also more detailed sequences at the k-space clips page.