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Spin filtering by proximity effects at hybridized interfaces in spin-valves with 2D graphene barriers

Abstract:

We report on spin transport in state-of-the-art epitaxial monolayer graphene based 2D-magnetic tunnel junctions (2D-MTJs). In our measurements, supported by ab-initio calculations, the strength of interaction between ferromagnetic electrodes and graphene monolayers is shown to fundamentally control the resulting spin signal. In particular, by switching the graphene/ferromagnet interaction, spin transport reveals magneto-resistance signal MR > 80% in junctions with low resistance × area produc...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
ORCID:
0000-0002-3993-9045
Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
11
Article number:
5670
Publication date:
2020-11-09
Acceptance date:
2020-10-12
DOI:
EISSN:
2041-1723
Pubs id:
1137281
Local pid:
pubs:1137281

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