Rashba effect and point-defect engineering synergistically improve the thermoelectric performance of the entropy-stabilized Sn0.8Ge0.2Te0.8Se0.2 alloy

The Rashba effect and point defect scattering significantly enhance zT of entropy-stabilized Sn 0.8 Ge 0.2 Te 0.8 Se 0.2 with disorder on cationic and anionic sites.