(IMAGE) Helmholtz Association Caption The HZB scientists constructed a new kind of experimental chamber, which allows the analysis of polycrystalline chalcopyrite film formation during coevaporation when exposed to synchrotron light at BESSY I. Credit Figure: R. Mainz/HZB 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.