A Graphene and Boron Nitride Heterostructure Device (image) Graphene Flagship Share Print E-Mail Caption A layer-by-layer schematic alongside an optical microscopic picture of a graphene and boron nitride heterostructure device which shows unprecedented spin transport efficiency at room temperature. Credit Credit: M. Gurram, S. Omar and B.J. van Wees, University of Groningen. Usage Restrictions Credit: M. Gurram, S. Omar and B.J. van Wees, University of Groningen. Share Print E-Mail 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.