Crossed Andreev reflection in a graphene bipolar transistor

J. Cayssol

doi:10.1103/physrevlett.100.147001

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arXiv · 0801.2292

Crossed Andreev reflection in a graphene bipolar transistor

J. Cayssol

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Abstract

We investigate the crossed Andreev reflections between two graphene leads connected by a narrow superconductor. When the leads are respectively of the n-and p- type, we find that electron elastic cotunneling and local Andreev reflection are both eliminated even in the absence of any valley-isospin or spin polarizations. We further predict oscillations of both diagonal and cross conductances as a function of the distance between the graphene-superconductor interfaces.

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J. Cayssol. 2008-03-06. Crossed Andreev reflection in a graphene bipolar transistor. https://doi.org/10.1103/physrevlett.100.147001

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