Silicon Carbide Power Devices (IMAGE) North Carolina State University Caption Silicon carbide power devices, like the one shown here, are more efficient than their silicon counterparts. Credit NC State University Usage Restrictions Image credit must be given. 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.