Figure 1 (IMAGE) Tohoku University Caption (a) A schematic diagram of a tunnel magnetoresistive device and magnetoresistance. (b) A schematic diagram of the crystal of the metastable body-centered cubic cobalt-manganese alloy studied. (c) A schematic diagram of the face-centered cubic structure, which is one of the thermodynamically stable phases of cobalt-manganese alloys. Credit Shigemi Mizukamai and Tomohiro Ichinose Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.