Graphene Flakes for Future Transistors (IMAGE) Scuola Internazionale Superiore di Studi Avanzati Caption On the left: This is a spin filter made out of a magnetic nanoflake: a current of electrons with spin 'up' and 'down' in equal proportions flows through the device. Due to destructive interference in a spin channel (for example: down) the outgoing current is prevalently made of spin-up electrons. On the right: Schematic illustration of the device and plot of the spin-filtering efficiency. Credit Angelo Valli Usage Restrictions The image can be used in connection with this research 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.