Polycrystalline Film Growth (IMAGE) Helmholtz Association Caption This is polycrystalline film growth during coevaporation in real time using in situ X-ray diffraction and fluorescence analysis. Credit Figure: R. Mainz/C.Kaufmann/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.