Electronic properties of Fe clusters on a Au(111) surface

Delga, Alexandre ; Lagoute, Jérôme ; Repain, Vincent ; Chacon, Cyril ; Girard, Yann ; Marathe, Madhura ; Narasimhan, Shobhana ; Rousset, Sylvie (2011) Electronic properties of Fe clusters on a Au(111) surface Physical Review B: Condensed Matter and Materials Physics, 84 (3). ISSN 1098-0121

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Official URL: http://doi.org/10.1103/PhysRevB.84.035416

Related URL: http://dx.doi.org/10.1103/PhysRevB.84.035416

Abstract

The electronic states of self-organized Fe nanoislands on a Au(111) surface have been investigated using low-temperature scanning tunneling microscopy and spectroscopy. We show that the local density of states is dominated by Shockley surface states confined in the nanostructures. Comparing the experimental dispersion diagram with a free-electron model we derive the effective mass m = 0.39 me and the band onset E0 = − 420 meV of these states. Ab initio calculations show the existence of the Shockley surface states in the Fe layer, in agreement with the experiment, and reveal that they are fully spin polarized.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:123234
Deposited On:09 Sep 2021 06:14
Last Modified:09 Sep 2021 06:14

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