IMAGE - iCeMS perovskite (IMAGE) Kyoto University Caption Researchers found a way to create and control the direction and periodicity of the oxygen-vacancy layers in oxynitride crystals at a temperature as low as 600°C. Credit Mindy Takamiya/Kyoto University iCeMS Usage Restrictions This image can be used along with this research news or related article. Please credit the image as designated. 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.