A side-contacted BiSbTeSe2 nanowire Josephson junction shows a large, gate- and field-tunable superconducting diode effect, interpreted as a nano-SQUID whose sign reversal coincides with a topological phase transition.
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Tunable superconducting diode effect in a topological nano-SQUID
A side-contacted BiSbTeSe2 nanowire Josephson junction shows a large, gate- and field-tunable superconducting diode effect, interpreted as a nano-SQUID whose sign reversal coincides with a topological phase transition.