The electronic properties of Fe islands grown on reconstructed Au(111) were investigated by means of scanning tunneling spectroscopy and density-functional theory calculations. A characteristic peak measured in the electron local density of states at Fermi level indicates the presence of a nondispersive minority Fe dz2 state. The peak energy was measured to shift from occupied to unoccupied states as a function of position within Fe islands. We related this effect to the reconstruction-induced local Fe-Fe bond length variation.
|Titolo:||Strain effect on local electronic properties of Fe nanoislands grown on Au(111)|
FRATESI, GUIDO (Secondo)
|Settore Scientifico Disciplinare:||Settore FIS/03 - Fisica della Materia|
|Data di pubblicazione:||7-apr-2011|
|Digital Object Identifier (DOI):||10.1103/PhysRevB.83.153404|
|Appare nelle tipologie:||01 - Articolo su periodico|