Volume 89, Number 4, February 2010
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||09 March 2010|
Modification of the electronic transport in Au by prototypical impurities and interlayers
Universität Augsburg, Institut für Physik - 86135 Augsburg, Germany, EU
2 Benha University, Physics Department - Benha, Egypt
3 KAUST, PSE Division - Thuwal 23955-6900, Kingdom of Saudi Arabia
Corresponding author: email@example.com
Accepted: 11 February 2010
Electronic transport calculations for metallic interfaces based on density functional theory and a scattering theory on the Landauer-Büttiker level are presented. We study the modifications of the transport through Au due to prototypical impurities and interlayers. Our results show that the influence of S and Si impurities is well described in terms of simple vacancies. Metallic impurities and interlayers, on the other hand, have even more drastic effects, in particular when the Au s-d hybrid states at the Fermi energy are perturbed. The effects of a possible interface alloy formation are discussed in detail.
PACS: 73.20.-r – Electron states at surfaces and interfaces / 73.40.-c – Electronic transport in interface structures
© EPLA, 2010
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