Electronic structure of an ordered Pb/Ag(111) surface alloy: Theory and 
experiment

Pacilé, D.; Ast, C. R.; Papagno, M.; Da Silva, C.; Moreschini, L.; Falub, M.; Seitsonen, A. P.; Grioni, M.

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Electronic structure of an ordered Pb/Ag(111) surface alloy: Theory and experiment

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Ast, C. R.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Seitsonen, A. P.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Pacilé, D., Ast, C. R., Papagno, M., Da Silva, C., Moreschini, L., Falub, M., et al. (2006). Electronic structure of an ordered Pb/Ag(111) surface alloy: Theory and experiment. Physical Review B, 73(24): 245429.

Cite as: https://hdl.handle.net/21.11116/0000-000E-FCE8-1

Abstract

We have studied by angle-resolved photoelectron spectroscopy (ARPES)
the band structure of the ordered surface alloy obtained by the
deposition of 0.33 monolayers of Pb on the Ag(111) surface. We observe
several dispersing features which are well described as Pb-Ag hybrid
bands by a band structure calculation performed within the generalized
gradient approximation of density functional theory. We also find that
a band of mixed Pb p(z) and Ag s character is split in momentum space.
We interpret this splitting as the combined result of spin-orbit
interaction and broken inversion symmetry at the surface.