Illustration: New Way to Tune the Properties of 2D Materials by Adjusting the Twist Angle between Th (image) Columbia University School of Engineering and Applied Science Share Print E-Mail Caption Illustration of controlled rotation of boron nitride (BN) layers above and below a graphene layer introduce coexisting moiré superlattices, which change size, symmetry, and complexity as a function of angle. In this system the Columbia researchers achieve unprecedented control over monolayer graphene's bandstructure within a single device, by mechanically rotating boron nitride atop graphene aligned to a bottom BN slab." Credit Nathan Finney and Sanghoon Chae/Columbia Engineering Usage Restrictions Please credit as: Nathan Finney and Sanghoon Chae/Columbia Engineering 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.