| Issue |
EPL
Volume 89, Number 4, February 2010
|
|
|---|---|---|
| Article Number | 47003 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/89/47003 | |
| Published online | 09 March 2010 | |
Modification of the electronic transport in Au by prototypical impurities and interlayers
1
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: udo.schwingenschlogl@kaust.edu.sa
Received:
19
October
2009
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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