Fractional AC Josephson effect in a topological insulator proximitized by a self-formed superconductor

Abstract
A lateral Josephson junction in which the surface of a 3D topological insulator serves as the weak link should support topologically protected excitations related to Majorana fermions. The resulting 4\piperiodic current-phase relationship could be detected under high-frequency excitation by the suppression of odd Shapiro steps. Here, we demonstrate such devices through the self-formation of a Pd-Te superconducting layer from a telluride...
Paper Details
Title
Fractional AC Josephson effect in a topological insulator proximitized by a self-formed superconductor
Published Date
Oct 3, 2021
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