(IMAGE) Technical University of Munich (TUM) Caption Electronmicroscopic image of a single crystal of black arsenic phosphorus. At the upper rim beginning delamination is visible. By careful delamination films as thin as two atomic layers were obtained. Credit Marianne Koepf / TUM 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.