Aufgrund von Vorbereitungen auf eine neue Version von KOPS, können am Montag, 6.2. und Dienstag, 7.2. keine Publikationen eingereicht werden. (Due to preparations for a new version of KOPS, no publications can be submitted on Monday, Feb. 6 and Tuesday, Feb. 7.)
Type of Publication: | Journal article |
Publication status: | Published |
URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-2-1sz2jgflbuwix5 |
Author: | Caspers, Christian; Gloskovskii, Andrei; Gorgoi, Mihaela; Besson, Claire; Luysberg, Martina; Rushchanskii, Konstantin Z.; Ležaić, Marjana; Fadley, Charles S.; Drube, Wolfgang; Müller, Martina |
Year of publication: | 2016 |
Published in: | Scientific reports ; 6 (2016), 1. - 22912. - Springer Nature. - eISSN 2045-2322 |
Pubmed ID: | 26975515 |
ArXiv-ID: | arXiv:1504.05108v4 |
DOI (citable link): | https://dx.doi.org/10.1038/srep22912 |
Summary: |
Integrating epitaxial and ferromagnetic Europium Oxide (EuO) directly on silicon is a perfect route to enrich silicon nanotechnology with spin filter functionality. To date, the inherent chemical reactivity between EuO and Si has prevented a heteroepitaxial integration without significant contaminations of the interface with Eu silicides and Si oxides. We present a solution to this long-standing problem by applying two complementary passivation techniques for the reactive EuO/Si interface: (i) an in situ hydrogen-Si (001) passivation and (ii) the application of oxygen-protective Eu monolayers-without using any additional buffer layers. By careful chemical depth profiling of the oxide-semiconductor interface via hard x-ray photoemission spectroscopy, we show how to systematically minimize both Eu silicide and Si oxide formation to the sub-monolayer regime-and how to ultimately interface-engineer chemically clean, heteroepitaxial and ferromagnetic EuO/Si (001) in order to create a strong spin filter contact to silicon.
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Subject (DDC): | 530 Physics |
Comment on publication: | 11 pages of scientific paper, 10 high-resolution color figures. Supplemental information on the thermodynamic problem available (PDF). High-resolution abstract graphic available (PNG). Original research (2016) |
Link to License: | Attribution 4.0 International |
Refereed: | Yes |
CASPERS, Christian, Andrei GLOSKOVSKII, Mihaela GORGOI, Claire BESSON, Martina LUYSBERG, Konstantin Z. RUSHCHANSKII, Marjana LEŽAIĆ, Charles S. FADLEY, Wolfgang DRUBE, Martina MÜLLER, 2016. Interface Engineering to Create a Strong Spin Filter Contact to Silicon. In: Scientific reports. Springer Nature. 6(1), 22912. eISSN 2045-2322. Available under: doi: 10.1038/srep22912
@article{Caspers2016-03-15Inter-49987, title={Interface Engineering to Create a Strong Spin Filter Contact to Silicon}, year={2016}, doi={10.1038/srep22912}, number={1}, volume={6}, journal={Scientific reports}, author={Caspers, Christian and Gloskovskii, Andrei and Gorgoi, Mihaela and Besson, Claire and Luysberg, Martina and Rushchanskii, Konstantin Z. and Ležaić, Marjana and Fadley, Charles S. and Drube, Wolfgang and Müller, Martina}, note={11 pages of scientific paper, 10 high-resolution color figures. Supplemental information on the thermodynamic problem available (PDF). High-resolution abstract graphic available (PNG). Original research (2016) Article Number: 22912} }
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