Tilt (1 of 3) (IMAGE) Rice University Caption Researchers at Rice University and Oak Ridge National Laboratory determined that two-dimensional materials grown onto a cone allow control over where defects called grain boundaries appear. These defects can be used to enhance the materials' electronic, mechanical, catalytic and optical properties. Credit Yakobson Research Group/Rice University Usage Restrictions None 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.