STEM Images (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Electron microscope images show the precise atom-by-atom structure of thin film barium titanate (BaTiO3) sandwiched between layers of strontium ruthenate (SrRuO3) metal to make a tiny capacitor. Credit Lane Martin/Berkeley Lab Usage Restrictions None License Original 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.