Strain effect on local electronic properties of Fe nanoislands grown on Au(111)

F. Donati; G. Fratesi; M. Passoni; C. S. Casari; A. Mairov; C. E. Bottani; M. I. Trioni; A. Li Bassi

doi:10.1103/PhysRevB.83.153404

Strain effect on local electronic properties of Fe nanoislands grown on Au(111)

F. Donati, G. Fratesi, M. Passoni, C. S. Casari, A. Mairov, C. E. Bottani, M. I. Trioni, A. Li Bassi

Department of Physics

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16 Scopus citations

Abstract

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 d_z2 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.

Original language	English
Article number	153404
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	83
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.83.153404
State	Published - 7 Apr 2011

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abstract = "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.",

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AU - Donati, F.

AU - Fratesi, G.

AU - Passoni, M.

AU - Casari, C. S.

AU - Mairov, A.

AU - Bottani, C. E.

AU - Trioni, M. I.

AU - Li Bassi, A.

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N2 - 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.

AB - 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.

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ER -

Strain effect on local electronic properties of Fe nanoislands grown on Au(111)

Abstract

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