Figure 3 (IMAGE) Tohoku University Caption Correlation analyses between the diffusion activation energies of CTCHs and various descriptors. Credit Hao Li et al. 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.