Groupe de Physique Statistique

Equipe 106, Institut Jean Lamour

                     
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Articles dans des revues à comité de lecture

Reconstruction-induced multiple gaps in the weak coupling limit: The surface bands of Au(111) vicinal surfaces
Didiot C., Fagot-Revurat Y., Pons S., Kierren B., Chatelain C., Malterre D.
Physical Review B - Condensed Matter and Materials Physics 74 (2006) 081404
DOI : 10.1103/PhysRevB.74.081404

The opening of several gaps in the surface band structure of vicinal Au(232321) surfaces has been shown by high-resolution photoemission spectroscopy, and the energy dependence of the surface electron density has been determined by scanning tunneling spectroscopy. From a methodological point of view, the values of the gaps and the phase of the electronic density allow an estimation of the reconstruction potential, which yields the electronic Bragg diffraction, the gap formation, and the modulation of the electron density. These spectroscopic behaviors give a pedagogical illustration of one of the basic concepts of solid state physics.



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