Conductance oscillations of antiferromagnetic layer tunnel junctions

摘要

Abstract available in English only.

We study conductance oscillations in antiferromagnetic layer tunnel junctions made from antiferromagnetic topological insulators such as MnBi2Te4. In an in-plane magnetic field, the two-terminal differential conductance oscillates with field strength. Even- and odd-layer junctions show distinct weak-field interference because of a scattering phase shift of π, and the oscillations evolve from SQUID-like to Fraunhofer-like as the junction length increases.