Magnetic Topological Insulator (IMAGE) Rice University Caption Rice University graduate student Lebing Chen spent three months perfecting a recipe for making flat sheets of chromium triiodide, a two-dimensional quantum material that appears to be a 'magnetic topological insulator.' Credit Jeff Fitlow/Rice University Usage Restrictions Credit must be used. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.