A team of U.S. and Korean physicists has found the first evidence of a two-dimensional material that can become a magnetic topological insulator even when it is not placed in a magnetic field. Pengcheng Dai, Lebing Chen and Jae-Ho ChungLong Description A team of physicists including (from left) Pengcheng Dai, Lebing Chen and Jae-Ho Chung … Continue reading ‘Magnetic topological insulator’ makes its own magnetic field