Graphene Microchip (IMAGE) University of Sussex Caption Image reveals the kink in the form of wrinkles that causes change in Raman signals of altered electronic property. Credit University of Sussex Usage Restrictions Only to be used in conjunction with University of Sussex 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.