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Interfacial Effects of Al-Termination on Spin Transport in Magnetic Tunnel Junctions
T. Tzen Ong, A. M. Black-Schaffer, W. Shen +1
Experiments have shown that the tunneling current in a Co/AlO magnetic tunneling junction (MTJ) is positively spin polarized, opposite to what is intuitively expected from…
Josephson current in graphene: the role of unconventional pairing symmetries
Jacob Linder, Annica M. Black-Schaffer, Takehito Yokoyama +2
We investigate the Josephson current in a graphene superconductor/normal/superconductor junction, where superconductivity is induced by means of the proximity effect from external…
The possibility of measuring intrinsic electronic correlations in graphene using a d-wave contact Josephson junction
Annica M. Black-Schaffer, Sebastian Doniach
While not widely recognized, electronic correlations might play an important role in graphene. Indeed, Pauling's resonance valence bond (RVB) theory for the pp-bonded planar organi…