A team of researchers led by Colorado State University graduate student Luke Wernert and Associate Professor Hua Chen has discovered a new kind of “Hall effect” that could enable more energy-efficient electronic devices. Their findings, published in Physical Review Letters in collaboration with graduate student Bastián Pradenas and Professor Oleg Tchernyshyov at Johns Hopkins University, reveal a …
Tag: antiferromagnet
Sep 21
Electrical switching of the topological anomalous Hall effect in a non-collinear antiferromagnet above room temperature
First discovered by Edwin Hall in 1881, the anomalous Hall effect describes the transverse flow of electric currents under a longitudinal electric field in a ferromagnetic metal with its magnetization perpendicular to the measurement plane. By flipping the magnetization direction of the ferromagnet the transverse current also changes sign. The behavior looks similar to electrons …
Recent Comments