Figure 1 (IMAGE) Osaka University Caption (Left) Schematic of the layered crystal structure of SnSe. (Right) Pressure dependence of thermoelectric power factor at 150 K and 300 K for SnSe. Inset shows the schematic illustration of the corresponding change in valley topology in SnSe. Credit Osaka University Usage Restrictions None 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.