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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Creation of an atomic superlattice by immersing metallic adatoms in a two-dimensional electron sea.

Cerium adatoms, deposited on a Ag(111) surface, are found by low-temperature scanning tunneling microscopy to self-assemble into large ordered hexagonal arrays covering macroscopically the entire surface. We show that the 32 A periodicity of the superlattice is caused by the interaction of surface-state electrons with Ce adatoms and that the large-scale formation of the superlattice is governed by a subtle balance between the sample temperature, the surface diffusion barrier, and the concentration-dependent adatom interaction potential.[1]

References

  1. Creation of an atomic superlattice by immersing metallic adatoms in a two-dimensional electron sea. Silly, F., Pivetta, M., Ternes, M., Patthey, F., Pelz, J.P., Schneider, W.D. Phys. Rev. Lett. (2004) [Pubmed]
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