Figure 1 (IMAGE) Science China Press Caption Zinc-blende structure: the anion-cation complex is tetrahedral and the same ions form the face-centered cubic structure. Credit ©Science China Press Usage Restrictions Use with credit. 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.