Figure 1 (IMAGE) Tohoku University Caption Temperature dependence of the spin current signal and magnon polarization above and below the magnetic compensation temperature. Credit Yusuke Nambu 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.