Abstract
Motivated by recent experiments revealing superconductivity in , we investigate the Josephson effect in the monolayer in the presence of an exchange splitting. We show that the supercurrent reversal known as transition can occur by varying the doping via gate voltages. This is in contrast to common superconductor/ferromagnet/superconductor junctions in which successive transitions take place with the variation of junction length or temperature. In fact for the case of we find that both the amplitude and the period of oscillations show a dependence on the doping which explains the predicted doping-induced supercurrent reversal. These effects comes from the dependence of density and Fermi velocity on the doping strength beside the intrinsic spin-splitting in the valence band which originates from spin-orbit interaction.
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