Beryllonitrene Layer (IMAGE) Universität Bayreuth Caption A single beryllonitrene layer consists of BeN? pentagons and Be?N? hexagons. The beryllium atoms are shown as grey balls, nitrogen atoms as blue balls. Credit Image: M. Bykov. 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.