| Issue |
EPL
Volume 102, Number 6, June 2013
|
|
|---|---|---|
| Article Number | 67009 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/102/67009 | |
| Published online | 11 July 2013 | |
Half-metallicity in a 
superlattice: A first-principles study
1 KAUST, PSE Division - Thuwal 23955-6900, Kingdom of Saudi Arabia
2 Institut für Physik, Universität Augsburg - 86135 Augsburg, Germany, EU
(a) udo.schwingenschlogl@kaust.edu.sa
Received: 28 January 2013
Accepted: 10 June 2013
We present first-principles results for the electronic, magnetic, and optical properties of the 
heterostructure as obtained by spin-polarized calculations using density functional theory. The electronic states of the heterostructure are compared to those of the bulk compounds. Structural relaxation turns out to have only a minor impact on the chemical bonding, even though the oxygen octahedra in 
develop some distortions due to the interface strain. While a small charge transfer affects the heterointerfaces, our results demonstrate that the half-metallic character of is fully maintained.
PACS: 73.20.-r – Electron states at surfaces and interfaces / 75.70.-i – Magnetic properties of thin films, surfaces, and interfaces / 78.20.-e – Optical properties of bulk materials and thin films
© EPLA, 2013
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