Electrical control of quantum phenomenon could improve future electronic devices 

For the first time, researchers demonstrate how to electronically alter the direction of electron flow in promising materials for quantum computing

October 19, 2023

By Gail McCormick

Editor’s note: This article originally appeared on Penn State News. It discusses work from a team of researchers that includes Morteza Kayyalha, assistant professor of electrical engineering.  

UNIVERSITY PARK, Pa. — A new electrical method to conveniently change the direction of electron flow in some quantum materials could have implications for the development of next-generation electronic devices and quantum computers. A team of researchers from Penn State developed and demonstrated the method in materials that exhibit the quantum anomalous Hall (QAH) effect — a phenomenon in which the flow of electrons along the edge of a material does not lose energy. The team described the work in a paper appearing today (Oct. 19) in the journal Nature Materials. 

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