Oxygen-enabled control of Dzyaloshinskii-Moriya Interaction in ultra-thin magnetic films

Handle URI:
http://hdl.handle.net/10754/606960
Title:
Oxygen-enabled control of Dzyaloshinskii-Moriya Interaction in ultra-thin magnetic films
Authors:
Belabbes, Abderrezak; Bihlmayer, Gustav; Blügel, Stefan; Manchon, Aurelien ( 0000-0002-4768-293X )
Abstract:
The search for chiral magnetic textures in systems lacking spatial inversion symmetry has attracted a massive amount of interest in the recent years with the real space observation of novel exotic magnetic phases such as skyrmions lattices, but also domain walls and spin spirals with a defined chirality. The electrical control of these textures offers thrilling perspectives in terms of fast and robust ultrahigh density data manipulation. A powerful ingredient commonly used to stabilize chiral magnetic states is the so-called Dzyaloshinskii-Moriya interaction (DMI) arising from spin-orbit coupling in inversion asymmetric magnets. Such a large antisymmetric exchange has been obtained at interfaces between heavy metals and transition metal ferromagnets, resulting in spin spirals and nanoskyrmion lattices. Here, using relativistic first-principles calculations, we demonstrate that the magnitude and sign of DMI can be entirely controlled by tuning the oxygen coverage of the magnetic film, therefore enabling the smart design of chiral magnetism in ultra-thin films. We anticipate that these results extend to other electronegative ions and suggest the possibility of electrical tuning of exotic magnetic phases.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Oxygen-enabled control of Dzyaloshinskii-Moriya Interaction in ultra-thin magnetic films 2016, 6:24634 Scientific Reports
Publisher:
Nature Publishing Group
Journal:
Scientific Reports
Issue Date:
22-Apr-2016
DOI:
10.1038/srep24634
Type:
Article
ISSN:
2045-2322
Sponsors:
A.B. and A.M. acknowledge financial support from the King Abdullah University of Science and Technology (KAUST). We acknowledge computing time on the supercomputers SHAHEEN, NOOR, and SMC at KAUST Supercomputing Centre and JUROPA at the Jülich Supercomputing Centre (JSC).
Additional Links:
http://www.nature.com/articles/srep24634
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorBelabbes, Abderrezaken
dc.contributor.authorBihlmayer, Gustaven
dc.contributor.authorBlügel, Stefanen
dc.contributor.authorManchon, Aurelienen
dc.date.accessioned2016-04-25T13:48:26Zen
dc.date.available2016-04-25T13:48:26Zen
dc.date.issued2016-04-22en
dc.identifier.citationOxygen-enabled control of Dzyaloshinskii-Moriya Interaction in ultra-thin magnetic films 2016, 6:24634 Scientific Reportsen
dc.identifier.issn2045-2322en
dc.identifier.doi10.1038/srep24634en
dc.identifier.urihttp://hdl.handle.net/10754/606960en
dc.description.abstractThe search for chiral magnetic textures in systems lacking spatial inversion symmetry has attracted a massive amount of interest in the recent years with the real space observation of novel exotic magnetic phases such as skyrmions lattices, but also domain walls and spin spirals with a defined chirality. The electrical control of these textures offers thrilling perspectives in terms of fast and robust ultrahigh density data manipulation. A powerful ingredient commonly used to stabilize chiral magnetic states is the so-called Dzyaloshinskii-Moriya interaction (DMI) arising from spin-orbit coupling in inversion asymmetric magnets. Such a large antisymmetric exchange has been obtained at interfaces between heavy metals and transition metal ferromagnets, resulting in spin spirals and nanoskyrmion lattices. Here, using relativistic first-principles calculations, we demonstrate that the magnitude and sign of DMI can be entirely controlled by tuning the oxygen coverage of the magnetic film, therefore enabling the smart design of chiral magnetism in ultra-thin films. We anticipate that these results extend to other electronegative ions and suggest the possibility of electrical tuning of exotic magnetic phases.en
dc.description.sponsorshipA.B. and A.M. acknowledge financial support from the King Abdullah University of Science and Technology (KAUST). We acknowledge computing time on the supercomputers SHAHEEN, NOOR, and SMC at KAUST Supercomputing Centre and JUROPA at the Jülich Supercomputing Centre (JSC).en
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.relation.urlhttp://www.nature.com/articles/srep24634en
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/en
dc.titleOxygen-enabled control of Dzyaloshinskii-Moriya Interaction in ultra-thin magnetic filmsen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalScientific Reportsen
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionPeter Grünberg Institut & Institute for Advanced Simulation, Forschungszentrum Jülich & JARA D-52425 Jülich, Germanyen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorBelabbes, Abderrezaken
kaust.authorManchon, Aurelienen
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