Antiferromagnetic diode effect in even-layered MnBi₂Te₄ centrosymmetric crystal not exhibiting directional charge separation

https://phys.org/news/2024-09-antiferromagnetic-diode-effect-layered-mnbite.html

"superconducting diode effect: single direction electrical flow in antiferromagnetic topological insulator MnBi2Te4... nonlinear intrinsic diodes... 2 different electrode configurations... (1) having longitudinal electrodes passing current/ transverse electrodes measuring Hall effect, (2) having electrodes arranged in circular pattern around central point... large 2nd-harmonic transport... in-plane field-effect transistors, microwave-energy-harvesters, antiferromagnetic logic circuits, microwave harvesters, spintronics"