Gate-tunable ambipolar Josephson current demonstrated in MBE-grown (Bi,Sb)2Te3 topological insulator films, suppressed near Dirac point but persisting across it, weaker in thicker films due to bulk channels.
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Gate-Tunable Ambipolar Josephson Current in a Topological Insulator
Gate-tunable ambipolar Josephson current demonstrated in MBE-grown (Bi,Sb)2Te3 topological insulator films, suppressed near Dirac point but persisting across it, weaker in thicker films due to bulk channels.