Fig. 2 (IMAGE) Osaka University Caption Temperature dependences of (a) the Seebeck coefficient S, (b) electrical conductivity σ, (c) power factor S2σ for YbSi2. The reported data for Bi2Te3-based alloy are shown as solid lines for comparison. Credit © 2017 Kurosaki et al. Phys. Status Solidi RRL 2017, 1700372. doi: 10.1002/pssr.201700372 Usage Restrictions None 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.