Figure 1 (IMAGE) Tohoku University Caption (Upper) Schematic illustration of the high-temperature synthesis method normally used for material synthesis and (bottom) the ion-exchange method suitable for synthesizing metastable phases. Credit Issei Suzuki Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.