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Issue 35, 2013
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Spin orientation transition across the single-layer graphene/nickel thin film interface

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Abstract

The spin-polarized electronic structures across the interface between single-layer graphene and a Ni(111) thin film are explored by employing depth-resolved X-ray absorption and magnetic circular dichroism spectroscopy with atomic layer resolution. The depth-resolved Ni L2,3-edge analysis clarifies that the Ni atomic layers adjacent to the interface show a transition of the spin orientation to the perpendicular one in contrast to the in-plane one in the bulk region. The C K-edge analysis reveals the intensification of the spin–orbit interactions induced by the π–d hybridization at the interface as well as out-of-plane spin polarization in the π band region of graphene. The present study indicates the importance of the interface design at the atomic layer level for graphene-based spintronics.

Graphical abstract: Spin orientation transition across the single-layer graphene/nickel thin film interface

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Publication details

The article was received on 09 May 2013, accepted on 08 Jul 2013 and first published on 11 Jul 2013


Article type: Paper
DOI: 10.1039/C3TC30872C
Citation: J. Mater. Chem. C, 2013,1, 5533-5537
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    Spin orientation transition across the single-layer graphene/nickel thin film interface

    Y. Matsumoto, S. Entani, A. Koide, M. Ohtomo, P. V. Avramov, H. Naramoto, K. Amemiya, T. Fujikawa and S. Sakai, J. Mater. Chem. C, 2013, 1, 5533
    DOI: 10.1039/C3TC30872C

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