All-Electronic 2-Dimensional Spin Transistor (IMAGE) University of Groningen Caption Schematics of a nanodevice, used for observation of charge-to-spin conversion in a van der Waals heterostructure of graphene and WS2. The purple and red arrows show charge current and the generated spin accumulation, respectively. Credit Talieh Ghiasi et al. Usage Restrictions With credit 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.