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Large positive in-plane magnetoresistance induced by localized states at nanodomain boundaries in graphene

Wu, Han-Chun (author)
Beijing Institute of Technology
Chaika, Alexander N (author)
Institute of Solid State Physics, RAS,Trinity College Dublin
Hsu, Ming Chien (author)
National Taiwan University
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Huang, Tsung-Wei (author)
National Taiwan University
Abid, Mourad (author)
Beijing Institute of Technology
Abid, Mohamed (author)
Beijing Institute of Technology
Aristov, Victor Yu (author)
Institute of Solid State Physics, RAS,German Electron Synchrotron (DESY),Freiberg University of Mining and Technology
Molodtsova, Olga V (author)
National Research University of Information Technologies,German Electron Synchrotron (DESY)
Babenkov, Sergey V (author)
German Electron Synchrotron (DESY)
Niu, Yuran (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Murphy, Barry E (author)
Trinity College Dublin
Krasnikov, Sergey A (author)
Trinity College Dublin
Lübben, Olaf (author)
Trinity College Dublin
Liu, Huajun (author)
Institute of Plasma Physics Chinese Academy of Sciences
Chun, Byong Sun (author)
Korea Research Institute of Standards and Science (KRISS)
Janabi, Yahya T (author)
Saudi Aramco
Molotkov, Sergei N (author)
Institute of Solid State Physics, RAS
Shvets, Igor V. (author)
Trinity College Dublin
Lichtenstein, Alexander I. (author)
Ural Federal University,University of Hamburg
Katsnelson, Mikhail I. (author)
Radboud University Nijmegen,Ural Federal University
Chang, Ching-Ray (author)
National Taiwan University
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 (creator_code:org_t)
2017-02-15
2017
English.
In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 8
Related links:
http://dx.doi.org/10... (free)
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Graphene supports long spin lifetimes and long diffusion lengths at room temperature, making it highly promising for spintronics. However, making graphene magnetic remains a principal challenge despite the many proposed solutions. Among these, graphene with zig-zag edges and ripples are the most promising candidates, as zig-zag edges are predicted to host spin-polarized electronic states, and spin-orbit coupling can be induced by ripples. Here we investigate the magnetoresistance of graphene grown on technologically relevant SiC/Si(001) wafers, where inherent nanodomain boundaries sandwich zig-zag structures between adjacent ripples of large curvature. Localized states at the nanodomain boundaries result in an unprecedented positive in-plane magnetoresistance with a strong temperature dependence. Our work may offer a tantalizing way to add the spin degree of freedom to graphene.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Publication and Content Type

art (subject category)
ref (subject category)

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